Theoretically describes situations based on logic or theory, which may differ from practical reality.
Mot en 30 secondes
- Relates to theory, not practice.
- Describes hypothetical or ideal situations.
- Used when logic holds, reality may differ.
Overview
「理論的に」は、英語の “theoretically” に相当する言葉で、物事が実際にはどうであるかではなく、あくまで概念や理屈の上でどうなるか、どうあるべきかを示す際に用いられます。現実の制約や複雑さを一旦脇に置き、純粋な論理や仮定に基づいて考える状況を指します。例えば、ある計画が「理論的には」成功するとしても、実際には様々な要因で失敗する可能性がある、といった文脈で使われます。
Exemples
理論的には、この方法で問題は解決するはずです。
formalTheoretically, this method should solve the problem.
理論的には可能だけど、実際やるとなると色々大変だよ。
informalIt's theoretically possible, but doing it in reality involves many difficulties.
この計算は理論的には正しいが、実験結果とは一致しない。
academicThis calculation is theoretically correct, but it doesn't match the experimental results.
理論上の話では、宇宙旅行はもっと簡単になるはずだった。
everydayIn theory, space travel was supposed to be much easier.
Collocations courantes
Phrases Courantes
理論的には可能だ
It is theoretically possible
理論上の話
a theoretical discussion / talk
理論と現実のギャップ
the gap between theory and reality
Souvent confondu avec
'実際に' means 'actually', 'in reality', or 'in practice', directly contrasting with the hypothetical nature of '理論的に'.
'理屈' is a noun meaning 'reason', 'logic', or 'theory'. '理論的に' is the adverbial form derived from '理論' (theory).
Modèles grammaticaux
How to Use It
Notes d'usage
Use '理論的に' to discuss possibilities or ideal scenarios based on logic, acknowledging that reality might differ. It's often used in planning, academic discussions, or when explaining hypothetical situations. Be mindful that it can sometimes imply a lack of practical consideration if overused without qualification.
Erreurs courantes
Avoid using '理論的に' when you mean 'actually' or 'in practice'. Ensure the context clearly indicates a focus on theory or hypothesis rather than established fact or outcome. Do not confuse it with the noun '理論' (theory).
Tips
Distinguish Theory from Practice
Remember that '理論的に' focuses on the ideal or logical possibility, not necessarily the actual outcome.
Avoid Over-reliance on Theory
While useful for planning, don't let theoretical possibilities overshadow practical challenges and real-world constraints.
Japanese Emphasis on Realism
While theory is important, Japanese culture often values practical results (実際). Use '理論的に' carefully to acknowledge this balance.
Origine du mot
The word '理論的' (rironteki) is composed of '理論' (riron), meaning 'theory' or 'logic', and the adjectival suffix '的' (-teki), meaning '-al' or 'relating to'. Thus, '理論的に' (rironteki ni) functions as the adverb 'theoretically' or 'in a theoretical manner'.
Contexte culturel
In Japanese culture, there's often a strong appreciation for practical skills and tangible results. While theoretical understanding is valued, '理論的に' can sometimes be used to gently point out that an idea might be sound in principle but difficult to implement.
Astuce mémo
Think of 'theory' and 'logical' – '理論的に' connects directly to these concepts, emphasizing what makes sense on paper, not necessarily what happens in real life.
Questions fréquentes
4 questions「理論的に」は、あくまで考え方や理屈の上での話ですが、「実際には」は現実の状況や結果を指します。しばしば、「理論的には～だが、実際には～」という形で対比されます。
必ずしもポジティブとは限りません。成功する可能性を示す場合もありますが、実現の難しさや理想論に留まることを示唆する場合もあります。
計画の初期段階、仮説の説明、理想的な状況の描写など、現実の制約を離れて論理的に考える場面でよく使われます。
「理論上は」も「理論的に」とほぼ同じ意味で使われます。どちらも、現実ではなく、あくまで理屈や理論の世界の話であることを示します。
Teste-toi
この計画は、___成功するはずだ。
計画が理屈の上では成功する可能性が高いが、実際の成功が保証されているわけではない、というニュアンスを表すため、「理論的に」が最も適切です。
Which sentence best uses '理論的に'?
この選択肢は、薬の効果や安全性が、科学的な根拠や理屈の上では期待できるものの、実際の臨床結果とは異なる可能性があることを示唆しています。他の選択肢は文脈に合いません。
Use the following words to build a sentence: 理論的に, 成功する, 可能性, ある
「理論的に」は文頭や「可能性」の前に置かれ、その可能性が理屈の上で存在することを示します。「理論的に成功する可能性がある」が自然な語順です。
Score : /3
Summary
Theoretically describes situations based on logic or theory, which may differ from practical reality.
- Relates to theory, not practice.
- Describes hypothetical or ideal situations.
- Used when logic holds, reality may differ.
Distinguish Theory from Practice
Remember that '理論的に' focuses on the ideal or logical possibility, not necessarily the actual outcome.
Avoid Over-reliance on Theory
While useful for planning, don't let theoretical possibilities overshadow practical challenges and real-world constraints.
Japanese Emphasis on Realism
While theory is important, Japanese culture often values practical results (実際). Use '理論的に' carefully to acknowledge this balance.
Exemples
4 sur 4理論的には、この方法で問題は解決するはずです。
Theoretically, this method should solve the problem.
理論的には可能だけど、実際やるとなると色々大変だよ。
It's theoretically possible, but doing it in reality involves many difficulties.
この計算は理論的には正しいが、実験結果とは一致しない。
This calculation is theoretically correct, but it doesn't match the experimental results.
理論上の話では、宇宙旅行はもっと簡単になるはずだった。
In theory, space travel was supposed to be much easier.
Related Content
Ce mot dans d'autres langues
Plus de mots sur academic
絶対的
B2Absolute; not qualified or diminished in any way; total.
絶対的に
B1In a complete, unconditional, or conclusive manner; absolutely.
抽象的だ
B1Abstract; existing in thought or as an idea but not having a physical or concrete existence.
抽象
B2Existing in thought or as an idea but not having a physical or concrete existence. It refers to generalizing or extracting the essence of something away from specific details.
抽象的に
B1In an abstract or theoretical manner.
学術的な
B1Academic, scholarly; relating to education and scholarship.
学術的だ
B1Academic; relating to education and scholarship.
学術的
B2Academic; relating to education and scholarship.
学術
B1Academia; scholarship; relating to scholarly pursuits.
学力
B1Academic ability; a person's level of knowledge and skill in academic subjects.
