为人不齿wéi rén bù chǐ

be despised; be spoken only to one’s shame; beneath contempt; disreputable;infamous
❍ 并且据堕民猥谈之说，以为是宋将焦光瓒的部属，因为降金，为时人所不齿，……(《鲁迅选集》Ⅲ—295)He accepted the view put forward in Anecdotes about the Tomins that these people were despised as descendants of the Song dynasty general Jiao Guangzan,who surrendered to the Golden Tartars.