beat around a bush
问题描述：
beat around a bush
答
beat about the bush(BrE)
beat around the bush(AmE)
to talk about sth for a long time without coming to the main point.
拐弯抹角地说话,绕圈子
Stop beating about the bush and tell me what you want.
别绕来绕去了,告诉我你想要什么吧.