verdoppeln 30秒了解
- Verdoppeln means to double.
- It signifies an increase by a factor of two.
- Used in math, business, and daily life.
- Conjugates like a regular German verb.
The German verb 'verdoppeln' literally translates to 'to double' in English. It's used when something increases in quantity, size, or value by a factor of two. This can apply to a wide range of situations, from mathematical concepts to everyday occurrences. For instance, if a price is doubled, or if a population doubles, 'verdoppeln' is the appropriate verb. It signifies a multiplication by two, making something twice as large or twice as much.
- Basic Meaning
- To make something twice as much or twice as big.
- Contexts
- Can be used for numbers, quantities, prices, size, speed, effort, etc.
Die Firma hat ihren Gewinn im letzten Jahr verdoppelt.
- Mathematical Usage
- In mathematics, 'verdoppeln' is a straightforward operation. If a number 'x' is doubled, the result is '2x'. This is fundamental in many calculations and equations. For example, if a length of 5 cm is doubled, it becomes 10 cm. This concept is often introduced early in mathematical education.
- Everyday Scenarios
- Outside of math, 'verdoppeln' appears in various contexts. A restaurant might double its seating capacity, a runner might double their speed in the final sprint, or a recipe might need to be doubled if you're cooking for more people. It implies a significant increase, specifically by a factor of two, making it a common and useful verb in daily conversations and descriptions.
Wir müssen die Produktion verdoppeln, um die Nachfrage zu decken.
Using 'verdoppeln' correctly involves understanding its grammatical structure as a verb and its semantic meaning of doubling. It's a transitive verb, meaning it usually takes a direct object – the thing that is being doubled. The verb conjugates like a regular German verb in the past tense and past participle. Common sentence structures involve placing the object before or after the verb, depending on the sentence's focus and other grammatical elements.
- Present Tense
- In the present tense, the verb is conjugated according to the subject. For example, 'Ich verdopple' (I double), 'Du verdoppelst' (You double), 'Er/Sie/Es verdoppelt' (He/She/It doubles), 'Wir verdoppeln' (We double), 'Ihr verdoppelt' (You all double), 'Sie verdoppeln' (They double).
- Past Tense (Präteritum)
- The simple past tense is formed by adding '-te' to the stem. So, 'ich verdoppelte' (I doubled), 'du verdoppeltest', 'er/sie/es verdoppelte', 'wir verdoppelten', 'ihr verdoppelttet', 'sie verdoppelten'. This tense is often used in written narratives.
- Perfect Tense (Perfekt)
- The perfect tense is formed with the auxiliary verb 'haben' and the past participle 'verdoppelt'. For example, 'Ich habe meinen Einsatz verdoppelt' (I have doubled my stake). The past participle 'verdoppelt' is invariable.
Wenn Sie mehr Kaffee trinken, sollten Sie auch Ihre Wasseraufnahme verdoppeln.
- Imperative Form
- The imperative form is used for commands. 'Verdopple das!' (Double that!) for informal singular, 'Verdoppelt das!' (Double that!) for informal plural, and 'Verdoppeln Sie das!' (Double that!) for formal address.
- Using with Prepositional Phrases
- Sometimes, 'verdoppeln' is used with phrases indicating the context of doubling. For example, 'seine Bemühungen verdoppeln' (to double one's efforts) or 'die Geschwindigkeit verdoppeln' (to double the speed).
Um die Prüfung zu bestehen, musste er seine Lernzeit verdoppeln.
You'll encounter 'verdoppeln' in a variety of everyday and formal German contexts. It's a practical verb that describes a common phenomenon: things becoming twice as much. This makes it a frequent word in news reports, business discussions, scientific articles, and even casual conversations about personal finances or growth.
- Business and Finance
- In the business world, 'verdoppeln' is used to talk about growth in revenue, profit, market share, or production. For example, a company might aim to 'ihren Umsatz verdoppeln' (double their turnover) or a report might state that 'die Nachfrage hat sich verdoppelt' (demand has doubled).
- Economics and Statistics
- Economic news often features this verb. You might hear about population growth doubling, inflation rates doubling, or investment amounts doubling. For instance, 'Die Bevölkerung hat sich in den letzten 50 Jahren verdoppelt' (The population has doubled in the last 50 years).
- Science and Technology
- In scientific contexts, it can describe the doubling of experimental results, the doubling of a substance's concentration, or the doubling of processing power in technology. 'Die Leistung der Prozessoren hat sich verdoppelt' (The performance of the processors has doubled).
Der Energieverbrauch der Stadt hat sich in den letzten zehn Jahren verdoppelt.
- Personal Life and Hobbies
- In personal discussions, it might come up when talking about doubling a recipe, doubling the amount of exercise, or even doubling a bet. 'Ich musste das Rezept für die Party verdoppeln' (I had to double the recipe for the party).
- Sports and Performance
- Athletes might talk about doubling their training intensity, or coaches might aim to double the team's score. 'Der Athlet hat seine Trainingsintensität verdoppelt' (The athlete has doubled their training intensity).
While 'verdoppeln' is a relatively straightforward verb, learners might make a few common mistakes. These often stem from direct translation from their native language or confusion with similar-sounding or similarly-meaning words. Being aware of these pitfalls can help you use the verb more accurately and confidently.
- Confusing with 'vermehren' or 'erhöhen'
- 'Verdoppeln' specifically means to multiply by two. Words like 'vermehren' (to increase, to multiply generally) or 'erhöhen' (to raise, to increase) are broader. Using 'verdoppeln' when the increase isn't exactly by a factor of two is incorrect. For example, if something triples, you wouldn't say it was 'verdoppelt'.
- Incorrect Conjugation
- Like any verb, 'verdoppeln' needs to be conjugated correctly according to the subject and tense. A common error is using the infinitive form or the wrong personal ending. For example, saying 'Ich verdoppelt' instead of 'Ich verdopple'.
- Misplacing the Object
- 'Verdoppeln' is a transitive verb and requires a direct object. Learners might forget to include what is being doubled, leading to incomplete sentences. For instance, 'Er hat verdoppelt' is grammatically awkward without specifying what was doubled.
Falsch: Die Firma hat ihre Einnahmen erhöht. Richtig: Die Firma hat ihre Einnahmen verdoppelt.
- Using the Past Participle Incorrectly
- In the perfect tense, the past participle is 'verdoppelt'. A mistake might be using the infinitive 'verdoppeln' instead of the participle, especially in spoken German where the auxiliary verb and participle might be placed differently. For example, 'Ich habe verdoppeln' is incorrect.
- Overuse in Informal Settings
- While 'verdoppeln' is common, sometimes a more general term like 'steigern' (to increase) or 'mehr machen' (to do more) might be more appropriate if the exact doubling isn't the key point, or if precision isn't crucial.
While 'verdoppeln' is precise in meaning 'to double', German offers other verbs that express increases or multiplications, each with its own nuance. Understanding these alternatives helps you choose the most accurate word for your intended meaning and adds richness to your vocabulary.
- 'vermehren' (to increase, to multiply)
- This is a more general term for increasing or multiplying. It doesn't specify by how much. You can 'vermehren' your wealth, your knowledge, or a population. It's less precise than 'verdoppeln'.
Example: 'Er versucht, sein Vermögen zu vermehren.' (He is trying to increase his wealth.) - 'erhöhen' (to increase, to raise)
- This verb means to raise or increase something, often a quantity, price, or level. It implies an upward movement but not necessarily a multiplication by two.
Example: 'Die Regierung hat die Steuern erhöht.' (The government has increased taxes.) - 'steigern' (to increase, to boost)
- Similar to 'erhöhen', 'steigern' suggests an improvement or increase in performance, quality, or intensity. It often implies a gradual or significant boost.
Example: 'Sie hat ihre Leistung im Laufe des Jahres gesteigert.' (She has increased her performance over the course of the year.)
Wenn Sie die Anzahl der Zutaten verdoppeln, erhalten Sie doppelt so viel Essen.
- 'vervierfachen' (to quadruple)
- This verb means to multiply by four. It's the next step up from doubling.
Example: 'Der Preis hat sich vervierfacht.' (The price has quadrupled.) - 'verdreifachen' (to triple)
- This means to multiply by three.
Example: 'Wir hoffen, unsere Verkaufszahlen zu verdreifachen.' (We hope to triple our sales figures.)
How Formal Is It?
趣味小知识
The concept of doubling is fundamental across many cultures and languages, often appearing in fairy tales (e.g., the tale of the rice and chessboard where the grains double each day) and in early mathematical concepts. The German word reflects this universal idea of multiplication by two.
发音指南
- Pronouncing the 'v' as a hard English 'v' instead of the softer German 'f'.
- Incorrect stress placement, perhaps on the first syllable.
- Muddling the vowel sounds, especially the 'e' and 'o'.
难度评级
The word 'verdoppeln' is a common A2 level verb. Its meaning is straightforward, and it follows regular conjugation patterns. Understanding its usage in context is key, but it's not overly complex.
接下来学什么
前置知识
接下来学习
高级
需要掌握的语法
Conjugation of regular verbs in the present tense.
Ich verdopple, du verdoppelst, er/sie/es verdoppelt.
Formation of the perfect tense with 'haben'.
Ich habe meine Bemühungen verdoppelt.
Formation of the simple past tense (Präteritum).
Sie verdoppelte die Menge.
Use of modal verbs with infinitives.
Wir müssen die Produktion verdoppeln.
Reflexive verbs (sich verdoppeln).
Die Preise haben sich verdoppelt.
按水平分级的例句
Ich muss mein Taschengeld verdoppeln.
I need to double my pocket money.
The direct object 'mein Taschengeld' is placed before the verb in this simple sentence.
Die Preise haben sich verdoppelt.
The prices have doubled.
'haben sich verdoppelt' is the present perfect tense of 'sich verdoppeln'. The reflexive pronoun 'sich' is used here.
Wir verdoppeln die Menge für die Party.
We are doubling the quantity for the party.
'Wir verdoppeln' is the present tense conjugation for 'wir'.
Kannst du das Rezept verdoppeln?
Can you double the recipe?
This is a modal verb construction: 'kannst du' + infinitive 'verdoppeln'.
Der Läufer verdoppelte seine Geschwindigkeit.
The runner doubled his speed.
'verdoppelte' is the simple past tense (Präteritum) of 'verdoppeln'.
Die Zahl der Studenten hat sich verdoppelt.
The number of students has doubled.
The subject is 'Die Zahl der Studenten' (The number of students), which is singular.
Wir müssen unsere Anstrengungen verdoppeln.
We must double our efforts.
'müssen' is a modal verb, followed by the infinitive 'verdoppeln'.
Er verdient jetzt das Doppelte.
He now earns double.
While 'das Doppelte' means 'double the amount', the verb form 'verdoppeln' is more direct. This sentence uses a noun form.
Die Firma plant, ihre Produktionskapazität zu verdoppeln.
The company plans to double its production capacity.
This uses a main clause ('Die Firma plant') followed by a subordinate clause with 'zu' + infinitive ('zu verdoppeln').
Um die wachsende Nachfrage zu befriedigen, muss die Landwirtschaft ihre Erträge verdoppeln.
To satisfy the growing demand, agriculture must double its yields.
'muss' is a modal verb, and the infinitive 'verdoppeln' goes to the end of the clause.
Die Investition hat sich in weniger als einem Jahr verdoppelt.
The investment has doubled in less than a year.
This is an example of the present perfect tense used to describe a past event with present relevance.
Er verdoppelte seinen Einsatz beim Pokerspiel.
He doubled his stake in the poker game.
'seinen Einsatz' is the direct object, placed before the verb.
Die Stadt hat beschlossen, die Grünflächen zu verdoppeln.
The city has decided to double the green spaces.
'beschlossen' is the past participle of 'beschließen' (to decide), followed by 'zu' + infinitive.
Wenn du dieses Medikament nimmst, musst du deine Flüssigkeitszufuhr verdoppeln.
If you take this medication, you must double your fluid intake.
Conditional sentence structure: 'Wenn' clause followed by the main clause.
Die Effizienz des Systems wurde durch die neue Software verdoppelt.
The efficiency of the system was doubled by the new software.
This sentence uses the passive voice ('wurde verdoppelt').
Er hat seine Trainingsziele verdoppelt, um fitter zu werden.
He doubled his training goals to get fitter.
The infinitive clause 'um fitter zu werden' explains the reason for doubling the goals.
Die Regierung erwägt, die Subventionen für erneuerbare Energien zu verdoppeln, um den Klimawandel zu bekämpfen.
The government is considering doubling the subsidies for renewable energies to combat climate change.
The infinitive clause 'zu verdoppeln' is introduced by 'erwägt' (considers) and followed by a purpose clause 'um... zu bekämpfen'.
Angesichts der steigenden Kosten ist es unwahrscheinlich, dass die Gehälter sich im nächsten Jahr verdoppeln werden.
Given the rising costs, it is unlikely that salaries will double next year.
Future tense construction ('werden verdoppeln') used with a modal expression of probability ('unwahrscheinlich').
Die Einführung der neuen Technologie hat die Produktivität des Unternehmens beinahe verdoppelt.
The introduction of the new technology has nearly doubled the company's productivity.
'beinahe' (nearly) modifies the verb 'verdoppelt'.
Er musste seine tägliche Kalorienzufuhr verdoppeln, um für den Marathon zu trainieren.
He had to double his daily calorie intake to train for the marathon.
'musste' (had to) is a modal verb, followed by the object and the infinitive 'verdoppeln'.
Die Nachfrage nach diesem Produkt hat sich in den letzten fünf Jahren verdoppelt, was zu Engpässen führt.
The demand for this product has doubled in the last five years, leading to shortages.
A participial phrase ('was zu Engpässen führt') elaborates on the consequence of the doubling.
Die Wissenschaftler hoffen, die Heilungschancen durch die neue Behandlungsmethode zu verdoppeln.
The scientists hope to double the chances of recovery through the new treatment method.
'hoffen' (hope) is followed by 'zu' + infinitive.
Die Regierung hat angekündigt, die Investitionen in Bildung zu verdoppeln.
The government has announced its intention to double investments in education.
'angekündigt' (announced) is the past participle of 'ankündigen', followed by 'zu' + infinitive.
Um die Ziele zu erreichen, müssen wir unsere Anstrengungen verdreifachen, nicht nur verdoppeln.
To achieve the goals, we must triple our efforts, not just double them.
Comparison between 'verdreifachen' and 'verdoppeln'.
Die ökonomischen Auswirkungen der Pandemie zwangen viele Unternehmen, ihre Ausgaben drastisch zu verdoppeln oder sogar zu verdreifachen.
The economic impact of the pandemic forced many companies to drastically double or even triple their expenses.
Complex sentence structure with a causal clause ('Die ökonomischen Auswirkungen...') followed by the main clause ('zwangen... zu verdoppeln'). 'Drastisch' (drastically) modifies the verb.
Es ist von entscheidender Bedeutung, dass wir unsere Bemühungen verdoppeln, um die globalen Erwärmungsziele zu erreichen.
It is of crucial importance that we double our efforts to achieve the global warming targets.
Subordinate clause starting with 'dass', requiring the conjugated verb 'erreichen' at the end.
Die Analyse ergab, dass die Fehlerquote sich im Vergleich zum Vorjahr beinahe verdoppelt hatte.
The analysis revealed that the error rate had nearly doubled compared to the previous year.
Past perfect tense ('hatte verdoppelt') used in a subordinate clause introduced by 'dass'.
Um die Effizienzsteigerung zu maximieren, empfiehlt sich, die Investitionen in Forschung und Entwicklung zu verdoppeln.
To maximize the increase in efficiency, it is recommended to double the investments in research and development.
Impersonal construction ('empfiehlt sich') followed by an infinitive clause with 'zu'.
Der Erfolg des Projekts beruhte maßgeblich auf der Bereitschaft, die Arbeitszeit zu verdoppeln.
The success of the project was largely due to the willingness to double the working hours.
Prepositional phrase 'auf der Bereitschaft' followed by the infinitive clause 'zu verdoppeln'.
Die Auswirkungen der neuen Technologie auf die Produktionskosten sind so signifikant, dass sie sich fast verdoppelt haben.
The effects of the new technology on production costs are so significant that they have almost doubled.
A 'so... dass' construction, where the subordinate clause contains the perfect tense 'haben verdoppelt'.
Die Kritiker bemängelten, dass die Regierung ihre Versprechen zur Armutsbekämpfung nicht verdoppelt, sondern eher ignoriert habe.
Critics complained that the government had not doubled its promises for poverty reduction, but rather ignored them.
Subjunctive II ('habe') used in indirect speech to report the critics' complaint.
Es ist unerlässlich, dass wir die Ressourcen verdoppeln, um den dringenden Bedarf an sauberem Wasser zu decken.
It is essential that we double the resources to meet the urgent need for clean water.
Subordinate clause with 'dass', requiring the verb 'decken' at the end.
Die Transformation des Unternehmens erforderte nicht nur eine Verdoppelung der Investitionen, sondern auch eine fundamentale Neuausrichtung der strategischen Ziele.
The company's transformation required not only a doubling of investments but also a fundamental reorientation of strategic goals.
Nominalization: 'eine Verdoppelung der Investitionen' (a doubling of investments) is used instead of the verb form.
Angesichts der sich verschärfenden globalen Krisen wird es immer dringlicher, dass die internationale Gemeinschaft ihre Anstrengungen zur Friedenssicherung verdoppelt.
In light of the escalating global crises, it is becoming increasingly urgent that the international community doubles its efforts for peace security.
Subjunctive I ('verdoppelt') used in indirect speech reporting a perceived necessity.
Die Analyse der Langzeitstudie deutete darauf hin, dass die Korrelation zwischen den beiden Variablen sich im Laufe der Zeit verdoppelt hatte.
The analysis of the longitudinal study indicated that the correlation between the two variables had doubled over time.
Past perfect tense ('hatte verdoppelt') in a subordinate clause introduced by 'dass'.
Die Fähigkeit des menschlichen Gehirns, Informationen zu verarbeiten, scheint sich exponentiell zu verdoppeln, was zu neuen Erkenntnissen in der kognitiven Neurowissenschaft führt.
The human brain's ability to process information appears to double exponentially, leading to new insights in cognitive neuroscience.
The phrase 'scheint sich zu verdoppeln' indicates a perceived ongoing process.
Die Debatte drehte sich darum, ob die Regierung ihre Ausgaben für soziale Programme verdoppeln oder stattdessen auf eine effizientere Mittelverwendung setzen sollte.
The debate revolved around whether the government should double its spending on social programs or instead focus on more efficient use of funds.
'ob' introduces an indirect question, followed by the modal verb construction 'sollte... verdoppeln'.
Die historische Entwicklung zeigt, dass technologische Fortschritte oft dazu tendieren, die menschlichen Fähigkeiten zu verdoppeln, bevor sie sie gänzlich transformieren.
Historical development shows that technological advancements often tend to double human capabilities before completely transforming them.
'tendieren dazu, ... zu verdoppeln' expresses a tendency or inclination.
Die kritische Masse an Forschungsergebnissen legt nahe, dass die Wirksamkeit der Therapie sich signifikant verdoppelt hat, wenn sie mit ergänzenden Maßnahmen kombiniert wird.
The critical mass of research findings suggests that the efficacy of the therapy has significantly doubled when combined with complementary measures.
A conditional clause ('wenn sie ... kombiniert wird') modifies the main statement about the efficacy doubling.
Die Komplexität der Aufgaben, die von künstlicher Intelligenz bewältigt werden können, scheint sich in einem beispiellosen Tempo zu verdoppeln.
The complexity of tasks that can be handled by artificial intelligence seems to double at an unprecedented pace.
'scheint sich zu verdoppeln' indicates a perceived ongoing and rapid increase.
常见搭配
常用短语
— To double (reflexive verb, often used when the subject is the thing that doubles).
Die Preise haben sich im letzten Jahr verdoppelt.
— To double something (transitive verb, where 'etwas' is the direct object).
Wir müssen die Zutaten verdoppeln.
— To double the costs.
Wenn wir diese Maschine kaufen, werden sich die Kosten verdoppeln.
— To double the revenue/income.
Durch die neue Strategie konnten sie ihre Einnahmen verdoppeln.
— To double the population.
Ein schnelles Bevölkerungswachstum kann die Ressourcen belasten und die Bevölkerung verdoppeln.
— To double the performance.
Mit dem Upgrade konnte die Leistung der Software verdoppelt werden.
— To double the efforts.
Um das Ziel zu erreichen, müssen wir unsere Anstrengungen verdoppeln.
— To double the speed.
Der Fahrer musste die Geschwindigkeit verdoppeln, um pünktlich anzukommen.
容易混淆的词
'Verdoppeln' specifically means to multiply by two. 'Verdreifachen' means to multiply by three. Using 'verdoppeln' when something has tripled would be incorrect.
'Vermehren' is a more general term for increasing or multiplying. It doesn't specify the factor. 'Verdoppeln' is precise; 'vermehren' is broad.
'Erhöhen' means to raise or increase, but not necessarily by a specific factor like two. It implies a general rise.
习语与表达
— With double the effort; with great intensity. While not directly using 'verdoppeln', it conveys a similar idea of increased effort.
Nach der Pause arbeiteten sie mit doppelter Kraft weiter.
Informal/Neutral— Twice as good is better; double the effort leads to better results. This is a proverb related to the concept of doubling.
Ich habe die Anleitung zweimal gelesen – doppelt hält besser!
Proverbial/Informal— To give someone twice as much. This is a literal interpretation of doubling.
Wenn du das schaffst, gebe ich dir doppelt so viel Lohn.
Neutral— To increase dramatically; to grow exponentially. Often used to describe rapid growth in numbers or quantities.
Die Preise für Immobilien scheinen sich in diesem Viertel zu verdoppeln und zu verdreifachen.
Neutral— To double the dose (of medication, or metaphorically).
Der Arzt riet, die Dosis des Medikaments zu verdoppeln, wenn die Schmerzen schlimmer werden.
Medical/Neutral— Twice the amount of something. This uses the noun form 'das Doppelte' but relates to the concept of doubling.
Er verlangt das Doppelte des üblichen Preises.
Neutral— To increase significantly, by several times. Similar to 'sich verdoppeln und verdreifachen'.
Die Zahl der Anfragen hat sich ins doppelte und dreifache gesteigert.
Neutral— With double the effort. Similar to 'mit doppelter Kraft'.
Um die Frist einzuhalten, mussten sie mit doppelter Anstrengung arbeiten.
Neutral— To expect twice as much.
Sie erwartet das Doppelte von dem, was sie für ihre Arbeit gegeben hat.
Neutral— Twice as much as.
Diese Maschine ist doppelt so schnell wie die alte.
Neutral容易混淆
Both verbs describe multiplication and are formed similarly with prefixes.
'Verdoppeln' means to multiply by two. 'Verdreifachen' means to multiply by three. They are distinct in the exact factor of increase.
Wir wollen unseren Gewinn verdoppeln, nicht verdreifachen.
Both relate to increasing quantities.
'Verdoppeln' is precise (factor of two). 'Vermehren' is general (increase in any way, multiply).
Die Population hat sich verdoppelt. Die Möglichkeiten haben sich vermehrt.
Both indicate an increase.
'Verdoppeln' is a specific, exact increase by a factor of two. 'Erhöhen' is a general increase, without specifying the amount or factor.
Die Preise haben sich verdoppelt. Die Preise wurden erhöht.
It is the direct opposite operation.
'Verdoppeln' means to multiply by two. 'Halbieren' means to divide by two. They are antonyms.
Wenn Sie dies verdoppeln, dann halbieren Sie die Kosten.
It is a similar verb of multiplication with a prefix.
'Verdoppeln' means to multiply by two. 'Ver vier fachen' means to multiply by four.
Die Zahl hat sich verdoppelt, nicht vervierfacht.
句型
Subjekt + verdoppeln + Objekt
Ich verdopple das Geld.
Subjekt + haben + Objekt + verdoppelt
Wir haben die Menge verdoppelt.
Subjekt + verdoppelte + Objekt
Er verdoppelte seinen Einsatz.
Modalverb + Objekt + verdoppeln
Du musst die Zutaten verdoppeln.
Subjekt + sich + verdoppeln
Die Preise verdoppeln sich.
Subjekt + hat sich + Objekt + verdoppelt (reflexive with object)
Die Firma hat sich den Gewinn verdoppelt.
Nebensatz: ... dass + Subjekt + Objekt + verdoppelt + hat
Er sagte, dass er seine Bemühungen verdoppelt hat.
Infinitivkonstruktion: ... zu verdoppeln
Er plant, seine Produktion zu verdoppeln.
词族
名词
动词
形容词
相关
如何使用
High
-
Using 'verdoppeln' when the increase is not exactly by two.
→
Using 'erhöhen', 'steigern', 'verdreifachen', or 'vervierfachen' depending on the actual increase.
'Verdoppeln' specifically means to multiply by two. If something triples, you must use 'verdreifachen'. If it increases generally, 'erhöhen' or 'steigern' are more appropriate.
-
Incorrect conjugation, e.g., 'Ich verdoppelt'.
→
Ich verdopple.
As a regular verb, 'verdoppeln' follows standard conjugation rules. The ending for 'ich' in the present tense is '-e'.
-
Forgetting the direct object.
→
Die Firma verdoppelt ihren Gewinn.
'Verdoppeln' is typically transitive and needs an object indicating what is being doubled. A sentence like 'Die Firma verdoppelt.' is incomplete.
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Confusing the past participle 'verdoppelt' with the infinitive 'verdoppeln' in perfect tense.
→
Sie haben ihre Einnahmen verdoppelt.
In the perfect tense, the auxiliary verb ('haben' or 'sein') is followed by the past participle, which is 'verdoppelt', not the infinitive.
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Using 'verdoppeln' for a general increase rather than a precise doubling.
→
Die Preise wurden stark erhöht.
If the increase is significant but not precisely double, use 'erhöhen' or 'steigern'. 'Verdoppeln' implies an exact multiplication by two.
小贴士
Regular Verb Conjugation
Remember that 'verdoppeln' is a regular verb. Practice conjugating it in all tenses (present, past, perfect, future) to solidify your understanding. This applies to its use with subjects like 'ich', 'du', 'er/sie/es', 'wir', 'ihr', 'sie'.
Visual Association
Create a mental image of something being split into two, and then two of those halves coming together to form the original doubled amount. Or, imagine a 'V' shape where the two arms represent the doubling.
Distinguish from General Increase
'Verdoppeln' is precise. If something increases but not exactly by a factor of two, use words like 'erhöhen' (increase) or 'steigern' (boost) instead. Don't use 'verdoppeln' for a tripling or quadrupling.
Sentence Building
Write your own sentences using 'verdoppeln' in different grammatical structures. Try using it with modal verbs, in the perfect tense, and as a reflexive verb ('sich verdoppeln').
Stress and Sounds
Focus on the stress on the second syllable ('DOBB') and the German 'f' sound for the initial 'v'. Listen to native speakers to perfect your pronunciation.
Learn Related Terms
Explore related words like 'halbieren' (to halve), 'verdreifachen' (to triple), and 'vervierfachen' (to quadruple). Understanding these related terms will broaden your vocabulary for describing changes in quantity.
Transitive Verb Usage
'Verdoppeln' is often used as a transitive verb, meaning it takes a direct object. Always identify what is being doubled. For example, 'Die Firma verdoppelt ihren Gewinn' (The company doubles its profit).
Listen and Observe
Pay attention to how native German speakers use 'verdoppeln' in various contexts. This will help you grasp the subtle nuances and appropriate situations for its use.
Test Yourself
After learning the word, try to recall its meaning and usage without looking. Use flashcards or quizzes to reinforce your memory. Can you explain 'verdoppeln' in your own words?
记住它
记忆技巧
Imagine a 'V' (for 'ver') that looks like two arrows pointing outwards, signifying doubling. Then think of 'doppeln' sounding like 'drop all in', meaning you drop twice the amount in.
视觉联想
Picture a single item (like an apple) and then two identical items appearing next to it, symbolizing the doubling. Or, visualize a number line where a point jumps forward to its double.
Word Web
挑战
Try to use 'verdoppeln' in five different sentences today, describing things that are doubling or could be doubled.
词源
The German word 'verdoppeln' is formed from the prefix 'ver-' and the root 'doppeln', which itself is derived from the adjective 'doppelt' (double). The prefix 'ver-' often indicates a process of change or completion.
原始含义： The original sense was to make something into a double, or to multiply it by two.
Germanic文化背景
The word itself is neutral and carries no inherent sensitivity. Its usage in specific contexts, however, might be sensitive (e.g., doubling of prices affecting affordability).
The English equivalent 'to double' is very close in meaning and usage, making it relatively easy for English speakers to grasp. The concept of doubling is universal.
在生活中练习
真实语境
Business and Finance
- Gewinn verdoppeln
- Umsatz verdoppeln
- Investition verdoppeln
- Kosten verdoppeln
Everyday Life and Cooking
- Menge verdoppeln
- Rezept verdoppeln
- Portionen verdoppeln
Science and Technology
- Leistung verdoppeln
- Geschwindigkeit verdoppeln
- Datenmenge verdoppeln
Personal Goals and Effort
- Anstrengungen verdoppeln
- Lernzeit verdoppeln
- Trainingsziele verdoppeln
Statistics and Demographics
- Bevölkerung verdoppeln
- Fehlerquote verdoppeln
- Zahl der Fälle verdoppeln
对话开场白
"Has anything in your life recently doubled in quantity or value?"
"If you could double any skill you have, which one would it be and why?"
"What's an example you've heard of where something doubled unexpectedly?"
"In what situations do you think doubling something is a good idea?"
"What are the pros and cons of something doubling, like prices or population?"
日记主题
Describe a situation where you had to double your efforts to achieve a goal. What was the outcome?
Imagine you could double your income overnight. How would your life change?
Write about a time when a price or quantity doubled, and how it affected you.
If you were to create a product that doubles in value every year, what would it be and how would you market it?
Reflect on the concept of doubling. Is it always positive? Provide examples to support your view.
常见问题
10 个问题The most common use of 'verdoppeln' is to describe a precise increase by a factor of two. This can apply to numbers, quantities, prices, sizes, or values. For instance, a company might 'verdoppeln' its profit, or a recipe might need to be 'verdoppelt' for more servings. It's a very direct and clear way to express doubling.
'Verdoppeln' is a regular German verb. It follows the standard conjugation patterns for verbs ending in '-en'. For example, in the present tense, it conjugates as 'ich verdopple', 'du verdoppelst', 'er/sie/es verdoppelt', etc. The past participle is 'verdoppelt'.
'Verdoppeln' means to exactly multiply by two. 'Vermehren' is a more general term for increasing or multiplying, without specifying by how much. If something triples, you would use 'verdreifachen', not 'verdoppeln'. If something just increases in general, you might use 'vermehren'.
Yes, 'verdoppeln' can be used reflexively as 'sich verdoppeln'. This is common when the subject itself is what is doubling, without an external agent explicitly mentioned. For example, 'Die Preise haben sich verdoppelt' (The prices have doubled).
Some common collocations include 'Gewinn verdoppeln' (to double profit), 'Umsatz verdoppeln' (to double revenue), 'Menge verdoppeln' (to double the quantity), 'Produktion verdoppeln' (to double production), and 'Anstrengungen verdoppeln' (to double efforts). These phrases are frequently used in business, economics, and everyday contexts.
The simple past tense (Präteritum) of 'verdoppeln' is formed by adding '-te' to the stem: 'verdoppelte'. For example, 'Ich verdoppelte die Menge.' The perfect tense uses the auxiliary verb 'haben' and the past participle 'verdoppelt': 'Ich habe die Menge verdoppelt.'
Yes, the noun form is 'die Verdoppelung', which means 'the doubling'. For example, 'Die Verdoppelung der Preise war unerwartet.' (The doubling of prices was unexpected.)
Yes, 'verdoppeln' can be used for abstract concepts. For example, you can 'verdoppeln' your efforts ('Anstrengungen'), your knowledge ('Wissen'), or your chances ('Chancen').
The most direct antonym is 'halbieren', which means 'to halve' or 'to divide by two'. Other antonyms in a broader sense include 'reduzieren' (to reduce) or 'verringern' (to decrease).
The stress is on the second syllable: ver-DOBB-eln. The 'v' is pronounced like an 'f', and the vowels are short. IPA: /fɛɐ̯ˈdɔpəln/.
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Summary
Verdoppeln is a German verb meaning 'to double', indicating an exact multiplication by two. It is used across various contexts, from mathematics to everyday situations, and conjugates like a typical German verb in tenses like the present, past, and perfect.
- Verdoppeln means to double.
- It signifies an increase by a factor of two.
- Used in math, business, and daily life.
- Conjugates like a regular German verb.
Regular Verb Conjugation
Remember that 'verdoppeln' is a regular verb. Practice conjugating it in all tenses (present, past, perfect, future) to solidify your understanding. This applies to its use with subjects like 'ich', 'du', 'er/sie/es', 'wir', 'ihr', 'sie'.
Context is Key
While 'verdoppeln' means 'to double', pay attention to what is being doubled. Is it a price, a quantity, an effort, or a speed? Understanding the context helps you use the word more accurately and appreciate its nuances.
Visual Association
Create a mental image of something being split into two, and then two of those halves coming together to form the original doubled amount. Or, imagine a 'V' shape where the two arms represent the doubling.
Distinguish from General Increase
'Verdoppeln' is precise. If something increases but not exactly by a factor of two, use words like 'erhöhen' (increase) or 'steigern' (boost) instead. Don't use 'verdoppeln' for a tripling or quadrupling.
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