He has shit for brains. 他蠢得要命. You pea brain! How could you be so stupid? 你这白痴! 你怎会笨成这样呢? Don't you get it? It's so simple! 这么简单你也不懂?
Boy, were we stupid! 乖乖, 我们实在太笨了 He's all brawn and no brains. 他四肢发达头脑简单. The students outwitted the teacher. 这位老师被学生愚弄了. He studies all weekend. He's such an egghead. 他整个周末都在念书. 他是如此的一个书呆子.
