blot one's copybook

"blot one's copybook" Chinese translation ("blot one's copybook" in Chinese, "blot one's copybook" 中文翻译, "blot one's copybook"发音):

blot one's copybook (英口语)做出玷污自己名誉的事; 做出轻率的事 [(英口语)做出玷污自己名誉的事; 做出轻率的事 ]