俚语have an ace up one’s sleeve的意思解释和用法例句

have an ace up one’s sleeve

用作动词的意思：有铺囊妙计，留有绝招

用法及例句：
I still have an ace up my sleeve that you don’t know about.我还留有你不知道的一个绝招。

His attitude makes me think he has an ace up his sleeve.他的神态让我觉得他自有锦囊妙计。

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