on somebody's behalf
US /ɑːn ˈsʌmbədiz bɪˈhæf/
UK /ɑːn ˈsʌmbədiz bɪˈhæf/

1.
代表, 為了
as a representative of someone else
:
•
She accepted the award on her father's behalf.
她代表她父親接受了獎項。
•
I'm calling on behalf of my client.
我代表我的客戶打電話。
代表, 為了
as a representative of someone else