卧底

wò dǐ

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Definitions

  1. 1. to hide (as an undercover agent)
  2. 2. an insider (in a gang of thieves)
  3. 3. a mole

Child Words of 卧底

底
de

(equivalent to 的 as possessive particle)

底
dǐ

background

卧
wò

to lie