ace in the hole

短语

最后王牌；杀手锏

发音

AU

词形变化

aces in the hole 复数 aces in the hole

释义与例句

n.
  1. 1.

    Synonym of ace up one's sleeve.

    美国 习语 非正式

    Our ace in the hole left our opponents stupefied; it isn't every day that an NBA star plays street basketball.

词源

From stud poker in which there is one unknown card called the hole card, referring to the optimum hole card being an ace.

来源：wiktionary