451.You should be ashamedu of yourself. 你该为自己感到羞耻。 452.His behavior was shamefulv. 他的行为可耻。 453.He has disgracedw his entire family. 他让全家蒙羞。 454.She is a disgrace to her country. 她是她祖国的耻辱。 455.I feel very ashamed for...