New research has found that mice with cancer are better able to fight off the disease when they are in complex, stimulating environments, with lots of toys and other mice that they interact - and compete - with.

VOA: standard.2010.07.14

He is against singling out a particular citizen or group of people to go off and fight.

他反对特定挑选某个公民,或某个群体去参加战斗。

耶鲁公开课 - 公正课程节选

Well, he has a wife whom he loves, Penelope, and he has a son whom he has barely seen because he had to go off to Troy almost 20 years ago to fight that battle and he hasn't been home since.

因为他有挚爱的妻子珀涅罗珀,以及一个由于二十年前,他前赴参加特洛伊战争,而几乎素未谋面的儿子

耶鲁公开课 - 古希腊历史简介课程节选

They wanted to start a fight. They would wait for someone to be brave enough to try to hit it off.

VOA: special.2010.01.17

Often,he would pass islands with strong enemy forces, cut off their supplies and leave them with no chance to fight.

VOA: special.2009.05.24

And Jackson was able to fight it off.

VOA: special.2009.09.24

Ghana was forced to fight short-handed after seeing defender Daniel Addo sent off by the Belgian referee following what seemed like an innocuous tackle in the first half.

VOA: standard.2009.10.17