favouritism
/ˈfeɪvərɪtɪzəm/If you accuse someone of favouritism, you disapprove of them because they unfairly help or favour one person or group much more than another. 偏袒
noun [抽象名词] <贬>偏爱，偏袒
The students accused the teacher of favouritism. 学生指责老师有偏心。
