马脚 mǎjiǎo secret flaw Definitions Defs Origin Strokes Stroke Words Sentences Sents 露出马脚 lùchūmǎjiǎo expose to reveal a secret, flaw, or one's true nature accidentally; to give the game away露马脚 lòumǎjiǎo expose to reveal a secret, flaw, or deception; to inadvertently give the game away