play into one's hands 不是玩弄于某人的股掌之中

That was a stupid thing to do - you've played right in his hands. 误译：那是一件愚蠢的事——你完全被他玩弄于股掌之中。 正确：那样做太愚蠢了——你正中他的下怀。 说明：play into one's hands 的意思是“正中某人的下怀；让（对手）占便宜；做有利于（对手）的蠢事”。