不足

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Character Breakdown

Meaning and Usage

"不足" means "insufficient" or "not enough". It is used to describe a lack or shortage of something, such as time, experience, reasons, or resources. It often appears in formal or semi-formal contexts.

Common Collocations

  • 时间不足 (insufficient time): used when time is too short to complete something.
  • 经验不足 (lack of experience): often used in job or skill contexts.
  • 理由不足 (insufficient reason): used when reasons or arguments are not strong enough.
  • 营养不足 (nutritional deficiency): common in health contexts.

Usage Notes

"不足" can be used as an adjective or part of a phrase to indicate insufficiency. It often appears before verbs or nouns to qualify them. When combined with "" (yǐ), as in "不足", it means "not enough to" or "insufficient to" do something.

Common Confusions

Do not confuse "不足" with "" which also means "not enough" but is more colloquial and often used in everyday speech. "不足" tends to be more formal and used in writing or formal speech.

Summary

Use "不足" when you want to express a formal or objective insufficiency of something, especially in written or professional contexts. It helps convey a clear sense of lacking or shortage that affects the outcome or quality.

Example Sentences

His experience is insufficient and he cannot handle this job.

Time is insufficient, so we can only have a brief discussion.

His reasons are insufficient to convince everyone.

Insufficient nutrition will affect physical health.

His understanding of this issue is still insufficient.