理由

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Character Breakdown

Understanding 理由 (lǐyóu)

'理由' means 'reason' or 'cause' and is used to explain why something happens or why someone does something. It often appears in formal and informal contexts when giving explanations or justifications.

Usage and Nuances

'理由' can refer to both objective causes and subjective justifications. It is commonly used with verbs like 说明 (explain), (have), and (is) to express reasons clearly.

Common Collocations

  • 迟到理由 (reason for being late): used to explain a delay.
  • 拒绝理由 (reason for refusal): used when explaining why something is declined.
  • 合理理由 (reasonable reason): emphasizes the justification is logical or acceptable.

Tips

Avoid confusing 理由 with 原因, which often refers more to the cause of an event rather than a justification. 理由 tends to be used when someone provides a rationale or excuse.

Summary

Use 理由 when you want to state or ask for the reason behind an action or decision, especially when a justification or explanation is involved.

Example Sentences

His reason for being late is traffic jam.

Without sufficient reason, we cannot change the plan.

Please explain the reason for your refusal.