back seat driver
愛指手畫腳的人;不參與卻喜歡在旁邊指點的人
口語·形容愛指手畫腳的人
英文釋義
someone who offers unwanted or unnecessary advice or guidance
例句
My mom is such a back seat driver—she keeps telling me how to cook even though she's not in the kitchen.
典故來源
源自汽車后座乘客對司機指手畫腳的行為,比喻愛干涉他人事務的人。