conjunction HSK 1
Traditional 因為
yīn wèi
because · due to · on account of

Meaning

因为 is the most common way to express 'because' in Mandarin Chinese. It introduces the reason or cause for something. It is frequently paired with 所以 (suǒ yǐ, 'therefore') in a 'because...therefore' structure, though 所以 can be omitted in casual speech.

Usage

因为 typically appears at the beginning of a clause or sentence, though it can also come mid-sentence. In formal writing and speech, the paired structure 因为...所以... is preferred. In casual conversation, speakers often use 因为 alone without 所以. This conjunction works for both subjective reasoning and objective causation.

Examples

  1. 01
    因为下雨了,所以我没去公园。
    Yīn wèi xià le, suǒ méi gōng yuán.
    Because it rained, I didn't go to the park.
  2. 02
    我喜欢这个城市,因为这里的人很友好。
    huān zhè ge chéng shì, yīn wèi zhè de rén hěn yǒu hǎo.
    I like this city because the people here are very friendly.

Characters

Common collocations

  • 因为...所以...
    yīn wèi... suǒ ...
    because...therefore...
  • 因为
    jiù yīn wèi
    precisely because
  • 因为
    zhèng yīn wèi
    exactly because

Origin

因 originally meant 'cause' or 'reason' in Classical Chinese, while 为 meant 'for' or 'on behalf of'. Together they form a compound meaning 'for the reason that' or 'because'.

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