on somebody's behalf

常见例句

Somebody who's been working tirelessly on your behalf, doing a great job -- the Secretary of Health and Human Services, Kathleen Sebelius is in the house. (Applause.) One of the finest governors in the country, Ed Rendell is in the house. (Applause.) Everybody notice how good Ed is looking, by the way?
WHITEHOUSE: Fighting for Health Insurance Reform
Before I do, I want to acknowledge somebody who's been an extraordinary champion on behalf of the people of Washington, D.
WHITEHOUSE: The White House