uncalled-for
adjective disapproving uk/ʌnˈkɔːld.fɔː/ us/ʌnˈkɑːld.fɔːr/
（批评、侮辱、言论或行动）不公允的，不恰当的，不必要的
If a criticism, insult, remark, or action is uncalled-for, it is unfair, rude, or unkind and therefore considered to be unnecessary.
an uncalled-for remark 一句不必要的话
There's no reason to make personal comments - that was completely uncalled-for. 没有必要进行人身攻击——那样做很不合适。