"they are a fraction of their former selves" 怎么翻译?

问题描述:

"they are a fraction of their former selves" 怎么翻译?

"they are a fraction of their former selves"

他们是他们以前的一小部分自我

他们洗心革面了。(直译:他们原来的自己只剩下一小部分了)

他们已经变了(直译:他们是一小部分他们以前的自己)

他们跟以前大不一样了