露马脚

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

surname Ma / abbr. for Malaysia 馬來西亞|马来西亚[Ma3 lai2 xi1 ya4]

horse / CL:匹[pi3] / horse or cavalry piece in Chinese chess / knight in Western chess

foot / leg (of an animal or an object) / base (of an object) / CL:雙|双[shuang1],隻|只[zhi1] / classifier for kicks

variant of 角[jue2] / role

surname Lu

to show / to reveal / to betray / to expose

dew / syrup / nectar / outdoors (not under cover) / to show / to reveal / to betray / to expose

sth one wishes to conceal / the cat (as in "let the cat out of the bag")