rotten egg 行为不端之人；坏人； 臭鸡蛋

【例句】
His parents did everything they could to steer him on the right path, but I think Chris might just be a rotten egg.
Chris的父母尽一切所能让他走向正道，但是我认为他还是个行为不端之人。

His friends have all learned he is a rotten egg.
他所有的朋友都知道他是一个坏家伙。