便衣 (biàn yī) — plain clothes (civilian clothing, as opposed to uniform); plainclothes police officer

Literally 'convenient clothes' — it means civilian clothing worn in place of a uniform, and by extension the undercover officer wearing it. Distinguish from 制服 (zhi4fu2), the standard uniform.

noun
plain clothes (civilian clothing, as opposed to uniform)plainclothes police officer
양사 ·

예문

  • 便衣
    Tā jīn tiān chuān zhuó biàn yī, kàn qǐ lái bú xiàng jǐng chá.
    He's in plain clothes today and doesn't look like a cop.
  • 便衣
    Nà ge biàn yī tū rán chū shì le zhèng jiàn.
    That plainclothes officer suddenly showed his badge.
  • Biàn yī jǐng chá zài rén qún zhōng guān chá kě yí rén wù.
    Plainclothes police were observing suspicious individuals in the crowd.

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