But if the North refused a peaceful separation, then the South would be faced with the choice of surrender or fight.

VOA: special.2009.03.26

If you are known or believed to be willing to fight, you are in a state of war.

如果别人认为你很想去打斗，你就陷入了战争状态。

耶鲁公开课 - 政治哲学导论课程节选

For example, if your son got in a fight with his sister and you're very concerned about him,

例如，如果你的儿子跟他的妹妹打了起来，你对他很是担心，

I need 课堂 - SpeakingMax英语口语达人

If there was a chicken-fight, he would try to win money on it.

VOA: special.2009.08.29

It's not if they fight a lot.

不是他们吵架很多。

耶鲁公开课 - 心理学导论课程节选

If there was a cat-fight, he would take the risk.

VOA: special.2009.08.29

If there was a cat-fight,he would take the risk.

VOA: special.2011.05.21

Dietitians and health experts say it's important to learn from the world's healthiest countries, if we want to lose weight, fight disease and enjoy a healthier life.

VOA: standard.2010.02.23