He avers that chaos will erupt if he loses.

他断言如果他失败将会爆发动乱。

《柯林斯英汉双解大词典》

He may be a loser, but if he loses, I’m going down with him.

他或许是个失败者，但是如果他失败了，我准备跟他共同承担，你们也应该这样才对。

youdao

And even if he loses, his son Rory might be Nevada's next governor.

并且，即使他输了，他的儿子Rory也可能成为Nevada州的下一任长官。

youdao

If a batter gets three strikes, he loses his turn at bat and is called out.

VOA: special.2009.04.12

If he gets too heavy, then they audience loses its patience in the suspense says.

如果他太沉重，观众就会失去,对悬念的耐心。

麻省理工公开课 - 电影哲学课程节选

So just to give an example, if he goes through the hard pass and you defend the hard pass, he loses one of those battalions going over the mountains and the other one because he meets you.

举个例子吧,如果入侵者与你在崎岖之途上狭路相逢,他在翻越山岭时损失一营,与你交战再损失一营

耶鲁公开课 - 博弈论课程节选

Now if he loses the vote on Tuesday he will face a confidence vote on Thursday.

BBC: Berlusconi on the rack

If he loses his appeal, the ANC will elect a new youth league leader.

BBC: South Africa's ANC suspends youth leader Julius Malema

If he loses that he will be gone and the Berlusconi era will be over.

BBC: Berlusconi on the rack