►含义a passenger in a car who gives the driver unwanted advice./a person who is eager to advise without responsibility.坐在车后座却胡乱指挥司机的人；不负责任但又热衷于对别人指手画脚之人。 ►例句One of my friends is a terrible back seat driver.我一个朋友是个很讨厌的爱指手画脚的人。 ►对话A: You should do this instead of doing that.你应该这样做，而不是那样做。B: Hey, don’t be a back seat driver, OK?嘿，别指手画脚的好吗？ ►额外收获： 1.unwanted: 不需要的、讨厌的2.be eager to：迫切地、热衷于（做某事）3.without responsibility：不负责任地