backseat

/ˌbæk.siːt ˈdraɪ.vɚ/

名词

乱指点司机的乘客；多管闲事的人
It is expected that the former CEO will be a backseat driver (= have a controlling influence on what happens) on the company's board.
人们料定前任首席执行官会对董事会指手画脚。