英语词汇ace up one's sleeve (or N. Amer. [北美] in the hole)怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	ace up one's sleeve (or N. Amer. [北美] in the hole)
释义	□ ace up one's sleeve (or N. Amer. [ 北美 ] in the hole ) something effective kept in reserve 暗藏绝招；锦囊妙计 ‣Main Entry: ace
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