on behalf of sb
代表某人;因为某人;为了某人
On behalf of everyone here, may I wish you a very happy retirement.
请允许我代表在座的各位祝你退休后生活愉快。
Oh, don’t go to any trouble on my behalf. 噢,不要为我费事。
We collected money in behalf of the homeless. 我们为帮助无家可归者而募捐。