Correct

卧底

/ wòdǐ /

Strokes

Definition

to hide (as an undercover agent)/an insider (in a gang of thieves)/a mole

Example

As a Verb

［usu for the police］ serve as a planted agent; work as a secret agent

1

Pài

派

rén

人

wòdǐ

卧底

plant an (undercover) agent

As a Noun

planted agent; mole