马脚: sth. that gives the game away 短语和例子露出马脚 show the cloven hoof; give oneself away; let the cat out of the bag; 在被要求证明其身分时, 那个骗子露了马脚。 the swindler gave himself away when he was asked to estab
露出马脚: show the cloven foot [hoof]; betrayed by a slip; give oneself away; let the cat out of the bag; show feet of clay; show one's true colours
