They asked my father to intercede with the king on their behalf.

他们请我父亲代他们向国王求情。

《柯林斯英汉双解大词典》

Users create a robot to search the Web on their behalf.

首先用户可以根据自己的喜好创建一个搜索机器人。

youdao

They have people looking on their behalf, and they are sending people over to visit.

他们聘请代表进行搜寻的同时也派人去美国考察参观。

youdao

He said the Treasury Department now has the authority to block or seize any assets, accounts or securities under U.S.jurisdiction held by these organizations or anyone acting on their behalf.

VOA: standard.2009.04.15

It is the people who endow the sovereign with the authority to represent them on their behalf.

他认为，君主的权力是人民赋予给他的,让其代表广大的人民,并维护人民的利益。

耶鲁公开课 - 政治哲学导论课程节选

Of course, other stocks are held by institutions on their behalf, but in terms of direct ownership, homes are the main thing that people own.

当然,他们还通过金融机构,间接持有股票,但从直接持有的角度来看,人们拥有的主要财产就是住宅

耶鲁公开课 - 金融市场课程节选

Most local people will have to rely on their elected councillors to fight on their behalf.

BBC: Menwith Hill: Centre of Star Wars storm

And the entire people of Israel appreciate it, and I speak on their behalf.

WHITEHOUSE: President Obama & Prime Minister Netanyahu: "The Common Goal is Peace" | The White House

On the one hand, they have no control over what independent groups say on their behalf.

ECONOMIST: The mid-term mud starts to fly