backseat driver

柯林斯词典

1. N-COUNT If you refer to a passenger in a car as a backseat driver, they annoy you because they constantly give you advice about how to drive. 坐在汽車後座對駕駛員指手畫腳的人[表不滿]
2. N-COUNT If you refer to someone, especially a politician, as a backseat driver, you disapprove of them because they try to influence a situation that does not concern them. 乾涉他人事務的人[表不滿]
They accused the former president of being a backseat driver. 他們譴責前縂統是個專門乾涉他人事務的人。