面谈加薪 (mian tan jia xin) in Chinese means to have a discussion about a salary increase. In Engpsh, you can say "to have a salary increase discussion" or "to discuss a salary increase."

For example:

"I'm going to have a salary increase discussion with my boss next week."

"I'd pke to discuss a salary increase with you at our next meeting."

It's also common to say "to negotiate a salary increase" or "to ask for a salary increase" when discussing a potential increase in pay.

For example:

"I'm going to negotiate a salary increase at my performance review."

"I'm planning on asking for a salary increase during my next meeting with my manager."