为什么

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Character Breakdown

Usage of 为什么

为什么 is a common question word used to ask for reasons or causes. It is placed at the beginning of a question and is followed by the verb or clause explaining the situation.

Common Collocations

Nuances and Tips

为什么 is neutral and suitable for both formal and informal contexts. It directly asks for reasons and is often used in everyday conversation. Avoid confusing it with 怎么 (how) or 什么 (what), which ask about manner or identity rather than cause.

Common Confusion

Sometimes learners confuse 为什么 with 怎么, but 为什么 specifically asks for the reason or cause, while 怎么 asks about the method or way something happens.

Summary

Use 为什么 to inquire about reasons clearly and naturally. It is one of the most essential question words in Mandarin for expressing curiosity about causes.

Example Sentences

Why are you late?

I don't know why he doesn't answer the phone.

Why do we have to study Chinese?

Why isn't he coming to the meeting?

Why do you say that?