Thumbs are special fingers on your hands. We have two thumbs, one on each hand. They are short and strong. Thumbs help us hold things, like a ball or a cup. They let us pick up small toys too. We use our thumbs a lot every day!
§ Understanding 'Thumbs'
The word 'thumbs' is the plural form of 'thumb'. A thumb is a short, thick digit on the human hand, unique because it can move in opposition to the other fingers, allowing for grasping and fine manipulation of objects. This opposable quality is what makes human hands so versatile.
- Grammar Note: Plural Form
- 'Thumbs' is a regular plural noun. There are no irregular forms like 'thumbers' or 'thumbe' to worry about.
§ Common Uses and Collocations
'Thumbs' can be used in a variety of contexts, often in idiomatic expressions. Understanding these common uses will help you integrate the word naturally into your vocabulary.
- Physical Description: When talking about the physical anatomy of hands.
- Giving Approval/Disapproval: Through gestures.
- Manual Dexterity: In phrases related to working with one's hands.
She had long, slender fingers and surprisingly strong thumbs.
The baby sucked on both of her thumbs for comfort.
§ Idiomatic Expressions with 'Thumbs'
Many common English idioms incorporate the word 'thumbs'. Learning these will enrich your conversational English.
- Thumbs up/down: A gesture or expression of approval or disapproval.
- All thumbs: Clumsy or awkward, especially with one's hands.
- Under one's thumb: Completely under someone's control.
- Rule of thumb: A broadly accurate guide or principle, based on experience rather than exact science.
The audience gave the new play two thumbs up, indicating strong approval.
I'm all thumbs when it comes to tying knots.
She had him completely under her thumb.
As a general rule of thumb, always double-check your work.
§ Prepositions with 'Thumbs'
The prepositions used with 'thumbs' often depend on the context and the verb it's paired with.
- With: To indicate the instrument or means by which an action is performed.
- On: When describing an action directly involving the surface of the thumbs, though less common.
- Up/Down: As part of the idiomatic expressions 'thumbs up' and 'thumbs down'.
He pointed to the door with both thumbs.
She managed to open the jar using her strong thumbs.
- Context Matters
- The choice of preposition is usually quite intuitive once you understand the context of the sentence and the action being described.
§ Examples in Different Tenses
Let's see how 'thumbs' can be used across various verb tenses.
- Present Simple: For habitual actions or general truths.
- Past Simple: For completed actions in the past.
- Present Continuous: For actions happening now.
- Future Simple: For actions that will happen.
Most people have two thumbs on their hands.
He gave me two thumbs up after he finished the presentation.
The child is currently sucking his thumbs.
I will give you a thumbs up if I agree with the plan.
趣味小知识
The word 'thumb' is related to the Dutch 'duim' and German 'Daumen', all stemming from a Proto-Germanic root meaning 'to swell' or 'thick'.
需要掌握的语法
Nouns in English have singular and plural forms. 'Thumbs' is the plural form of 'thumb.' Many regular nouns form their plural by adding '-s' or '-es' to the singular form.
One thumb, many thumbs.
The definite article 'the' is used to refer to specific or already mentioned nouns. In the definition, 'the human hand' refers to the general concept of the hand, and 'the short, thick first digit' refers to a specific characteristic of the thumb.
The thumbs on my hands are strong.
Adjectives describe or modify nouns. In the definition, 'short,' 'thick,' and 'first' describe the digit (thumb).
The opposable thumbs allow for precise gripping.
Pronouns can replace nouns to avoid repetition. 'They' is used in the definition to refer back to 'thumbs.'
Thumbs are opposable; they allow for grasping.
Verbs are action words or states of being. 'Are' is a form of the verb 'to be' and indicates a state of being for the thumbs in the definition.
Thumbs are important for many tasks.
按水平分级的例句
I have two thumbs.
Tengo dos pulgares.
Simple present tense, subject-verb agreement.
My baby has small thumbs.
Mi bebé tiene pulgares pequeños.
Possessive adjective, plural noun.
He gave me a thumbs up.
Me dio un pulgar hacia arriba.
Idiomatic expression, past simple tense.
She hurt her thumbs playing games.
Se lastimó los pulgares jugando.
Past simple tense, possessive adjective.
The painter uses his thumbs to mix colors.
El pintor usa sus pulgares para mezclar colores.
Simple present tense, possessive adjective.
Do you have big thumbs?
¿Tienes pulgares grandes?
Simple present tense, interrogative.
I use my thumbs to text on my phone.
Uso mis pulgares para enviar mensajes en mi teléfono.
Simple present tense, possessive adjective.
My gloves have holes for my thumbs.
Mis guantes tienen agujeros para mis pulgares.
Simple present tense, possessive adjective.
With a deftness born of long practice, the jeweler meticulously adjusted the minute gears of the watch using only his thumbs and forefingers.
Dengan ketangkasan yang lahir dari latihan panjang, tukang perhiasan dengan cermat menyesuaikan roda gigi menit arloji hanya menggunakan ibu jari dan jari telunjuknya.
The genitive case 'thumbs and forefingers' indicates possession or association with the jeweler's actions.
The sculptor, known for her evocative works in clay, often left the imprint of her powerful thumbs on the nascent forms, a signature of her artistic process.
Pematung, yang dikenal karena karyanya yang membangkitkan dalam tanah liat, sering meninggalkan jejak ibu jari kuatnya pada bentuk-bentuk yang baru lahir, sebuah tanda tangan dari proses artistiknya.
The phrase 'imprint of her powerful thumbs' uses a possessive 'her' to describe the origin of the imprint.
Despite the advancements in robotic prosthetics, the nuanced dexterity of human thumbs remains a formidable challenge to replicate.
Meskipun ada kemajuan dalam prostetik robotik, ketangkasan nuansa ibu jari manusia tetap menjadi tantangan yang tangguh untuk ditiru.
The noun phrase 'nuanced dexterity of human thumbs' uses 'of' to show the relationship between dexterity and thumbs.
He gave the project his unqualified thumbs-up, a rare endorsement that signaled his complete approval of the innovative design.
Dia memberikan jempolnya tanpa kualifikasi untuk proyek itu, sebuah dukungan langka yang menandakan persetujuan penuhnya terhadap desain inovatif itu.
The idiomatic expression 'thumbs-up' functions as a compound noun, indicating approval.
The ancient artisans, with their intricate carvings and delicate filigree, demonstrated an astounding mastery over their tools, guided by the precision of their opposing thumbs.
Para pengrajin kuno, dengan ukiran rumit dan filigri halus mereka, menunjukkan penguasaan alat yang menakjubkan, dipandu oleh presisi ibu jari mereka yang berlawanan.
The phrase 'precision of their opposing thumbs' uses the possessive 'their' and describes a characteristic of the thumbs.
She twiddled her thumbs impatiently, a clear indication of her growing exasperation with the prolonged delay.
Dia memutar-mutar ibu jarinya dengan tidak sabar, sebuah indikasi jelas dari kekesalannya yang meningkat dengan penundaan yang berkepanjangan.
The phrasal verb 'twiddled her thumbs' is an idiom meaning to do nothing due to boredom or waiting.
The forensic expert meticulously examined the latent fingerprints, focusing on the unique whorls and arches left by the suspect's thumbs.
Pakar forensik dengan cermat memeriksa sidik jari laten, berfokus pada lingkaran dan lengkungan unik yang ditinggalkan oleh ibu jari tersangka.
The possessive 'suspect's thumbs' shows that the thumbs belong to the suspect.
In a gesture of ultimate despair, he gave the situation a resounding thumbs-down, signifying his absolute rejection of any further effort.
Dalam isyarat keputusasaan pamungkas, dia memberikan situasi itu jempol ke bawah yang nyaring, menandakan penolakan mutlaknya terhadap upaya lebih lanjut.
The idiomatic expression 'thumbs-down' functions as a compound noun, indicating disapproval or rejection.
常见搭配
常用短语
all thumbs
ser un manazas
rule of thumb
regla general/práctica
twiddle one's thumbs
cruzarse de brazos, no hacer nada
under someone's thumb
bajo el pulgar de alguien, dominado por alguien
stick out like a sore thumb
desentonar, llamar mucho la atención
thumbs up for
pulgares arriba para, aprobación para
give the thumbs up
dar el visto bueno, aprobar
thumbs down on
pulgares abajo para, desaprobación para
to have green thumbs
tener buena mano para las plantas
my thumbs are tingling
me cosquillean los pulgares
习语与表达
"Rule of thumb"
A broadly accurate guide or principle, based on experience or practice rather than theory.
As a rule of thumb, you should add a little extra salt when cooking pasta.
neutral"All thumbs"
Clumsy or awkward, especially with one's hands.
I'm all thumbs today; I keep dropping everything.
informal"Thumbs up"
An indication of approval or satisfaction.
She gave me a thumbs up, so I knew my presentation went well.
neutral"Thumbs down"
An indication of disapproval or rejection.
The audience gave the play a thumbs down, and it closed after a week.
neutral"Thumb a ride"
To hitchhike; to signal with one's thumb for a ride in a passing vehicle.
We decided to thumb a ride to the next town after our car broke down.
informal"Under one's thumb"
Completely under someone's control or influence.
He's completely under his wife's thumb; he can't make a decision without her.
informal"To thumb through (a book/magazine)"
To turn the pages of a book or magazine quickly, often without reading in detail.
I was just thumbing through a magazine while waiting for my appointment.
neutral"To have green thumbs"
To be skilled at gardening and making plants grow.
My grandmother has green thumbs; her garden is always beautiful.
informal"More thumbs than fingers"
Very clumsy or awkward with one's hands (similar to 'all thumbs').
He's got more thumbs than fingers; he always breaks things when he tries to fix them.
informal"To put one's thumb on (something)"
To precisely identify or locate something, often a problem or issue.
After much discussion, we finally managed to put our thumb on the root cause of the problem.
neutral记住它
记忆技巧
Imagine giving a 'thumbs up' to remember that 'thumbs' are the short, thick digits on your hand used for grasping. The 'up' motion helps you visualize their opposable nature.
视觉联想
Picture a pair of hands, each giving a enthusiastic 'thumbs up'. One thumb has a small 'P' drawn on it for 'plural', and the other has an 'O' for 'opposable'. This reinforces the definition of 'thumbs' as the plural, opposable digits.
Word Web
挑战
Describe three everyday actions you perform using your thumbs. For example, 'I use my thumbs to text on my phone, to hold a pen, and to turn a doorknob.'
词源
Old English 'þūma'
原始含义： thick, stout digit
Germanic文化背景
The opposable thumb is often cited as a key evolutionary advantage for humans, facilitating tool use and fine motor skills. In various cultures, thumbs are used in gestures: 'thumbs up' typically signifies approval or success, while 'thumbs down' denotes disapproval. The phrase 'rule of thumb' refers to a broadly accurate principle based on experience rather than exact measurement, often thought to derive from early standards of measurement using the thumb.
自我测试 12 个问题
Discuss the evolutionary advantages of opposable thumbs in the development of human civilization and technology.
Well written! Good try! Check the sample answer below.
Sample answer
Opposable thumbs provided a crucial evolutionary advantage, enabling early humans to develop sophisticated tool-making abilities. This enhanced dexterity and precision in manipulation were fundamental to the advancement of human civilization, facilitating the creation of complex technologies and contributing significantly to cognitive development and problem-solving skills.
Imagine a world where humans did not develop opposable thumbs. Describe how daily life, work, and social interactions might be different.
Well written! Good try! Check the sample answer below.
Sample answer
Without opposable thumbs, daily life would be profoundly altered. Tasks requiring fine motor skills, such as writing, eating with utensils, or operating machinery, would be immensely challenging, if not impossible. Work environments would need significant re-engineering, and social interactions might involve different forms of communication or tool use, leading to unique cultural adaptations and perhaps slower technological progress.
Explain the anatomical and physiological distinctions that make human thumbs 'opposable' and why this is significant compared to other primate digits.
Well written! Good try! Check the sample answer below.
Sample answer
The opposability of human thumbs stems from unique anatomical features, particularly the saddle-shaped carpometacarpal joint of the thumb, which allows for a wider range of motion than in other primate digits. Physiologically, specialized muscles facilitate the precise opposition and rotation required for both power and precision grips. This anatomical and physiological sophistication is crucial for complex manipulation, distinguishing human dexterity from that of most other primates.
According to the passage, what was a key consequence of the development of opposable thumbs?
Read this passage:
The evolution of the human hand, particularly the development of opposable thumbs, is a testament to the intricate interplay of natural selection and environmental pressures. This unique anatomical feature, appearing approximately 2 million years ago, revolutionized early hominid capabilities. It enabled sophisticated tool construction and utilization, thereby accelerating cognitive development and facilitating the mastery of diverse environments.
According to the passage, what was a key consequence of the development of opposable thumbs?
The passage explicitly states that opposable thumbs 'enabled sophisticated tool construction and utilization, thereby accelerating cognitive development.'
The passage explicitly states that opposable thumbs 'enabled sophisticated tool construction and utilization, thereby accelerating cognitive development.'
What does the passage suggest about opposable thumbs in primates?
Read this passage:
Despite the widespread understanding of 'opposable thumbs' as a hallmark of human dexterity, the degree of opposability varies significantly across primate species. While humans exhibit full opposability, allowing for both precision and power grips, some primates have thumbs that are only partially opposable or even vestigial. This spectrum highlights diverse evolutionary pathways and adaptations to different ecological niches.
What does the passage suggest about opposable thumbs in primates?
The passage states that 'the degree of opposability varies significantly across primate species' and 'This spectrum highlights diverse evolutionary pathways and adaptations.'
The passage states that 'the degree of opposability varies significantly across primate species' and 'This spectrum highlights diverse evolutionary pathways and adaptations.'
What is the main idea conveyed by the passage regarding the thumb?
Read this passage:
The cultural impact of the human hand, particularly the thumb, is evident in various idioms and expressions. Phrases like 'rule of thumb' denote practical wisdom or a general principle, while 'thumbs up' and 'thumbs down' convey approval or disapproval, respectively. These linguistic artifacts underscore the deep integration of manual dexterity, and specifically the thumb's role, into human communication and societal norms.
What is the main idea conveyed by the passage regarding the thumb?
The passage discusses how 'phrases like 'rule of thumb' and 'thumbs up' and 'thumbs down' underscore the deep integration of manual dexterity, and specifically the thumb's role, into human communication and societal norms.'
The passage discusses how 'phrases like 'rule of thumb' and 'thumbs up' and 'thumbs down' underscore the deep integration of manual dexterity, and specifically the thumb's role, into human communication and societal norms.'
Listen for how 'deft thumbs' contributes to the description of the sculptor's skill.
Focus on the nuance of 'enthusiastic thumbs up' in expressing approval.
Consider how 'thumbs feeling for the subtle tumblers' implies a heightened sense of touch and expertise.
Read this aloud:
Her thumbs, calloused from years of tending the garden, were a testament to her unwavering dedication to horticulture.
Focus: calloused, testament, unwavering, horticulture
你说的：
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Read this aloud:
He inadvertently gave the project the thumbs down, not due to a lack of merit, but a profound misunderstanding of its long-term strategic implications.
Focus: inadvertently, profound, misunderstanding, strategic implications
你说的：
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Read this aloud:
The artist, with characteristic meticulousness, used her thumbs to blend the pastel hues on the canvas, achieving a seamless gradient.
Focus: characteristic, meticulousness, blend, pastel hues, seamless gradient
你说的：
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/ 12 correct
Perfect score!
