twiddle your thumbs informalto do nothing while you are waiting for something to happen闲着无事，闲得无聊:•Let's go – there's no point in sitting here twiddling our thumbs.我们走吧 — 坐在这儿干等没有用。twiddle your thumbs1to move your thumbs around each other with your fingers joined together抱手旋弄大拇指2to do nothing while you are waiting for sth to happen（等待之际）无所事事 |