lù chū mǎ jiǎo
to reveal the cloven foot (idiom); to unmask one's true nature
to give the game away
露
lù
dew
出
chū
variant of 出[chu1] (classifier for plays or chapters of classical novels)
马
mǎ
abbr. for Malaysia 馬來西亞|马来西亚[Ma3 lai2 xi1 ya4]
脚
jiǎo
foot