He wrenched off his sneakers. If he had to swim, he didn't want anything weighing him down.

他猛地蹬掉运动鞋。如果不得不游泳的话，他不想让自己负荷太重。

《柯林斯英汉双解大词典》

He is a teenager, with the rebellions and feistiness characteristic of that age, but I like to think that, on balance, Henry would do it again if he had to.

他是个十几岁的人了，带着这个年龄段特有叛逆和暴脾气，但是，我倒愿意这样认为，总的来说，如果有必要，亨利会再做一次。

youdao

He'd even pay if he had to.

如果必要的话，他还会付钱。

youdao

And.He created the kind of world he would have wanted to live in if he had been a man."

VOA: special.2010.01.10

And sometimes had them killed if he had to if he thought that's what he should do, because there wasn't any sort of challenge to his authority.

如果有必要,他甚至会杀掉那些碍事的议员,因为没有什么可以挑战他的权威

耶鲁公开课 - 欧洲文明课程节选

But there's an important and, I think, a very real sense in which Milton wanted to make it seem as if the Nativity Ode were the first poem that he had written.

但我有种非常强烈的感觉,弥尔顿好像还是想让人觉得,《圣诞清晨歌》才是他的第一首诗。

耶鲁公开课 - 弥尔顿课程节选

Some say that if he had to make time for opposing opinions, Rush would have flopped.

WSJ: Limbaugh Is Right on the Fairness Doctrine

But if he had to protect and promote the peaks by doing paperwork, he would.

ECONOMIST: Roger Payne

It would devastate him if he had to sit on the bench next season.

BBC: Roberto Mancini hints at Joe Hart return to Man City