behalf

名词 behalf:

1. as the agent of or on someone's part (usually expressed as "on behalf of" rather than "in behalf of");
2. for someone's benefit (usually expressed as `in behalf' rather than `on behalf' and usually with a possessive)

1. The agent spoke on behalf of his principal.
   代理人代表他的委托人说话。
2. I made all these troubles in your behalf.
   我是为了你才找这么多麻烦的。
3. I intervened on her behalf to try to get the decision changed.
   我为她力争，以求改变决定。
4. He agreed to testify on behalf of the accused man.
   他同意为被告作证。
5. I put up the proposal on your behalf.
   我是为你的利益才提出这个建议的。
6. On behalf of my colleagues and myself I thank you.
   我代表我的同事和我本人向你表示感谢。

be.half

n.（名词）
Interest, support, or benefit.
利益、支持或好处

<习惯用语>in behalf of
For the benefit of; in the interest of.
为了…；为了…利益
on behalf of
As the agent of; on the part of.
作为…的代理；在…一边
来源：
Middle English
中古英语
from Old English be healfe [by (his) side]
源自 古英语 be healfe [接近，旁边]
be [by, at] * see by
be [在（他）一边] *参见 by
healf [side, half] * see half
healf [在…前，在…一旁] *参见 half

Traditionally,in behalf of and on behalf of have distinct senses. In behalf of means .for the benefit of,. as inWe raised money in behalf of the earthquake victims. On behalf of means .as the agent of; on the part of,. as inThe guardian signed the contract on behalf of the minor child. The two senses are quite close, however,and are often confused, even by reputable writers.
传统上in behalf of 和 on behalf of 有着不同的意思。 In behalf of 意为.为了…的利益.， 如我们为地震受灾者筹款。 On behalf of表示.作为…的代理人；代表….， 如监护人代表那个小孩签了合同。 但这两种意思相当接近，因此经常被弄混，连一些名作家也时常混用