to drag one's name through the mud
01
败坏名声, 抹黑某人
to make unfavorable remarks about someone
disapproving
idiom
informal
例子
By the time the truth was revealed, her reputation had already been dragged through the mire.
分手后,他的前伴侣败坏了他的名声。
败坏名声, 抹黑某人