created sense approved 便衣 · biànyī · plain clothes
便衣
biànyī
plain clothes
civilian or ordinary clothes worn instead of a uniform
他今天穿着便衣,没穿警服。
noun
created sense approved 便衣 · biànyī · plainclothesman
便衣
biànyī
plainclothesman
a police officer or undercover agent wearing civilian clothes while on duty
几名便衣混在人群中执行任务。
noun