足以【zúyǐ】

enough to, sufficient to, be enough, adequate, not enough to, zuyi

Says something is enough to bring about a result, "is enough to", before a verb phrase. It is written: 。 is "this evidence is enough to make the point".

HSK 5

AI-generated

Structure

[subject] + 足以 + [verb phrase]

[subject] + 不足以 + [verb phrase]

Description

足以 says the subject is enough to bring about what follows. It goes before a verb phrase, and belongs to written argument, reports and formal speech.

。

This evidence is enough to make the point.

。

A cup of water is enough to keep this little tree alive.

The verb after it is often one of reasoning or effect: 说明, 证明, 影响, 让 / 使.

。

His results prove how hard he worked.

不足以 for "not enough"

The negative puts 不 in front. It often turns down an argument: the reason given doesn't carry the conclusion.

。

One failure doesn't prove anything.

。

This much money isn't enough to buy a flat.

足以 or 足够

足以 takes a verb phrase. 足够 "enough" is an adjective: it goes before a noun, or stands as the predicate.

。

We have enough time.

× 我们有足以时间 → 我们有足够的时间
× 时间足以 → 时间足够 / 时间够了

Examples

。

This evidence is enough to make the point.

。

A cup of water is enough to keep this little tree alive.

。

His results prove how hard he worked.

。

One failure doesn't prove anything.

。

This much money isn't enough to buy a flat.

。

This room is big enough to seat fifty people.

。

His Chinese is good enough to work in China.

。

One small mistake is enough to affect the whole plan.

。

These materials are sufficient to complete the study.

。

Enthusiasm alone isn't enough to get the job done well.

。

This example is enough to make the reasoning clear to everyone.

。

The data so far isn't enough to draw a conclusion.

趁

跟…似的 / 像…似的