behalf

代表、代理多用於 on behalf of／on someone's behalf

She accepted the award on behalf of the whole research team.

她代表整個研究團隊領獎。

利益、好處多用於 on someone's behalf

Several teachers spoke on his behalf at the hearing.

聽證會上有幾位老師為他說話。

代表、代替

I'm calling on behalf of my mother, who can't speak English.

我是替我媽媽打這通電話的，她不會說英文。