How can you do that to him?你怎么能那样对待他呢？

今天的几个句子是有关表达责备的：1. Are you mad?你疯了吗？2. There now! Didn't I tell you?你看看，我没告诉你吗？3. Who asked you? 谁问你了？4. Can't you be serious for once?你就不能严肃点吗？