卧底 wòdǐ mole Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: go undercover All meanings 4 wòdǐ 4 mole 3go undercover 1 1 sentence for 卧底 (wòdǐ — go undercover) 警察派他去那个犯罪团伙卧底。 jǐngchá pài tā qù nà gè fànzuì tuánhuǒ wòdǐ. The police sent him to go undercover in that criminal gang. Source: Dong Chinese Dictionary