have/has something up one's sleeve

问题描述:

have/has something up one's sleeve

have sth.up one's sleeve 锦囊妙计(有些想法藏在心里不跟别人讲,万不得已的时候再拿出来)例:We really need to win this game to make it the next round.I hope Coach has a few idea up this sleeve.我们想要...