露出馬腳 lù chū mǎ jiǎo

DEFINITIONS

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

CHARACTERS

露 lù dew; bare, open, exposed
出 chū go out, send out; stand; produce
馬 mǎ horse; surname; KangXi radical 187
腳 jiǎo foot; base, leg, foundation