露出马脚

露出馬腳
lòuchūmǎjiǎo

synonym of 露馬腳 /露马脚 (lòumǎjiǎo)

Wiktionary

Homographs

露出马脚 lùchūmǎjiǎo
  1. to reveal the cloven foot (idiom); to unmask one's true nature
  2. to give the game away

Entry Composition

1 露出 lùchū
  1. to expose
  2. to show
  3. also pr. lòuchū
2 马脚 mǎjiǎo
  1. sth one wishes to conceal
  2. the cat (as in "let the cat out of the bag")