英语词汇ace up one's sleeve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
释义	ace up one's sleeve a plan or piece of information kept secret until it becomes necessary to use it 手中握有王牌; 有应急妙计。 See main entry:ace
随便看	optic tract optima optimal optimality optimally optimific optimism optimist optimistic optimistically optimization optimize optimizer optimum opt in option optional optional extra optionality optionally option card optocoupler optoelectronic optoelectronics optometer

英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。