get a rap on the knuckles from the teacher
受到老師的批評
-He got a rap on the knuckles from the teacher for not finishing his homework.
-因為沒完成作業,他被老師批評了。
-He deserved it. He spent the whole night on the Internet.
-活該,誰讓他整晚都在上網。
*(give somebody/get) a rap on/over/across the knuckles - (to give somebody/receive) strong criticism for something (給某人以/受到)嚴厲譴責,厲聲訓斥