an ace in the hole的意思|示意
密藏的法宝；备用的应急办法
an ace in the hole相关例句
The prosecutor had an ace in the hole: an eyewitness.
检举人有秘密武器(神秘王牌): 目击者.
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His strength in a crisis is an ace in the hole.
临危不惧是他的看家本领.
辞典例句
Your competitors do not know that you are an ace in the hole.
你的竞争者不知道你会有这样有用的办法.
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Tom's strength in a crisis is an ace in the hole.
临危不惧是汤姆的看家本领.
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