The word '足以' denotes that a quantity or quality is enough to achieve a particular outcome.
Word in 30 Seconds
- Indicates that something is sufficient to reach a specific result.
- Functions as a formal adverb before verbs.
- Commonly used in formal, academic, and persuasive writing.
Overview
- 1概述：‘足以’在现代汉语中是一个非常实用的书面语词汇，主要用于表达‘足够……去……’的意思。它强调的是某种条件或程度已经达到了某个标准，从而能够引发某种后果或效应。2) 使用模式：其基本结构为‘足以 + 动词性短语’，例如‘足以说明’、‘足以改变’。在句中，它通常位于谓语动词之前，起修饰作用。3) 常见语境：在正式文体、新闻报道、学术写作或逻辑论证中应用最广。例如，在法庭上陈述证据时，可以说‘这些证据足以证明被告有罪’；在描述社会现象时，可以说‘这一数据足以引起我们的警惕’。4) 近义词辨析：‘足以’与‘够’相比，‘足以’更具书面色彩，语气更严谨，且通常后面接的是动词，而‘够’则更口语化，既可以接动词也可以接名词或形容词。与‘能够’相比，‘足以’更侧重于‘程度上的饱和’，而‘能够’侧重于‘能力上的具备’。
Examples
他的努力足以让他获得成功。
everydayHis efforts are enough for him to succeed.
该证据足以推翻之前的判决。
formalThe evidence is sufficient to overturn the previous verdict.
这一发现足以改变我们对宇宙的认知。
academicThis discovery is enough to change our understanding of the universe.
Common Collocations
Common Phrases
足以影响
sufficient to influence
足以引起关注
sufficient to attract attention
Often Confused With
‘能够’ emphasizes the ability or capability to do something, whereas ‘足以’ emphasizes that the degree or amount has reached the necessary level.
Grammar Patterns
How to Use It
Usage Notes
Use '足以' primarily in writing or formal speeches. It is a powerful tool for logical argumentation. Avoid using it in casual text messages or very informal conversation.
Common Mistakes
The most common mistake is placing a noun after '足以'. Remember that it must be followed by a verb. Also, do not use it in overly redundant phrases.
Tips
Focus on the verb connection
Always follow '足以' with a verb to express what the subject is capable of doing. Think of it as a formal 'enough to'.
Avoid using with nouns
Do not use '足以' directly before a noun. It is strictly an adverb modifying actions or states.
Formal register usage
Using '足以' in your writing immediately elevates your language to a professional or academic level.
Word Origin
Derived from classical Chinese, where '足' means foot or enough, and '以' serves as a connector indicating purpose or means.
Cultural Context
The term reflects the Chinese emphasis on precision and logical sufficiency in formal communication. It is frequently seen in news headlines and legal documents.
Memory Tip
Think of '足以' as 'Zu' (Enough) + 'Yi' (To/By). It is enough to reach the next action.
Frequently Asked Questions
4 questions‘足够’通常用作形容词或动词，表示数量上的充足；而‘足以’是副词，侧重于表达‘程度达到某个标准，足以产生某种结果’。‘足以’的语体色彩更为正式。
不可以。‘足以’后面通常紧跟动词或动词性短语，表示足以做某事。如果想表达‘足够的时间’，应该用‘足够的时间’而不是‘足以时间’。
可以使用，但会显得比较正式。在日常非常随意的聊天中，人们更倾向于使用‘够’或‘足够’。
‘不足以’就是其否定形式，表示程度不够，无法达到预期的结果。
Test Yourself
这些事实___证明他是无辜的。
‘足以’后接动词‘证明’，且语境正式。
Score: /1
Summary
The word '足以' denotes that a quantity or quality is enough to achieve a particular outcome.
- Indicates that something is sufficient to reach a specific result.
- Functions as a formal adverb before verbs.
- Commonly used in formal, academic, and persuasive writing.
Focus on the verb connection
Always follow '足以' with a verb to express what the subject is capable of doing. Think of it as a formal 'enough to'.
Avoid using with nouns
Do not use '足以' directly before a noun. It is strictly an adverb modifying actions or states.
Formal register usage
Using '足以' in your writing immediately elevates your language to a professional or academic level.
Examples
3 of 3他的努力足以让他获得成功。
His efforts are enough for him to succeed.
该证据足以推翻之前的判决。
The evidence is sufficient to overturn the previous verdict.
这一发现足以改变我们对宇宙的认知。
This discovery is enough to change our understanding of the universe.
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