进行人身攻击
to start being rude to someone about their character or appearance
As long as the criticism is honestly given and doesn't get personal, I can handle it. 只要批评坦率真诚，没有针对个人之意，我就能处理好。
Some people are incapable of having an argument without getting personal.
After that, his rival's briefings started getting personal.
You don't have to like my decision, but there's no need to get personal.
You have to be prepared for the contest to get personal.
See also: personal adjective