| 单词 | an ace in the hole |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ace〕The mayor's popularity among elderly voters gives him an ace in the hole for the coming election.市长深得老年选民的喜爱，这是他应对即将到来的选举的一张王牌。韦氏高阶His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。译典通 |
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