理由 vd in Chinese (China, Simplified)

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理由 (lǐyóu) means "reason" or "cause."

Common uses:

• As a noun: 我有很多理由。 (I have many reasons.)
• As a verb (less common): 理由他为什么迟到。 (rare, more natural as 告诉我你为什么迟到。 = Tell me why you are late.)

Related vocabulary:

• 原因 (yuányīn) — cause, reason (often more formal or abstract)
• 理由 often refers to a specific reason for an action or opinion.

Examples:

• 你的理由是什么？
• 她没有给出任何理由。

Common phrases:

• 没有理由 = "no reason" / "nothing to justify it"
• 给（某人）充分的理由 = "give (someone) good reason(s) to..."

Related Topics: Reasons, Arguments and Explanations, Reason Words

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