behalfin behalf of sb; in sb’s behalf (AmE)1.■in order to help sb 为了帮助某人:We collected money in behalf of the homeless. 我们为那些无家可归的人募捐。on behalf of sb; on sb’s behalf2.■as the representative of sb or instead of them代表某人；代替某人:On behalf of the department I would like to thank you all. 我谨代表我们部门感谢大家。Mr Knight cannot be here, so his wife will accept the prize on his behalf. 奈特先生不能来，他的夫人将代表他来领奖。3.■because of sb; for sb 因为某人；为了某人:Don’t worry on my behalf. 不要为我担心。4.■in order to help sb 为了帮助某人:They campaigned on behalf of asylum seekers. 他们为那些寻求避难的人展开活动。5.■take up the cudgels on behalf of sb/sth 另见cudgels