你最好照他说的做，否则他就不客气了。

You'd better do what he says or he'll turn nasty.

《牛津词典》

我想，他当时肯定认为简值得他费心思，否则他就不会在她身上浪费时间了。

He must have thought Jane was worth it or he wouldn't have wasted time on her, I suppose.

《柯林斯英汉双解大词典》

约翰告诉他下次要小心，否则他就得离开。

John told him to be careful next time, or he had to leave.

youdao

Don't fail him or he will drive you out just as he drove out the Canaanites. That's a theme in Deuteronomy.

不要让他失望，否则他也会驱逐你,就如同他驱逐迦南人，这是《申命记》的一个主题。

耶鲁公开课 - 旧约导论课程节选

God saw that he had to limit the life span of humans, or risk creating an enemy that was nearly equal to him.

上帝发现他限制了人类的寿命，否则就是冒险创造了与他平等的死敌。

耶鲁公开课 - 旧约导论课程节选

So, that means he's got to make his line unless he comes up with some clever trick, the same size as the other guy.

所以,这意味着除非他想出别的好点子,否则他就必须使他那一排的规模,和对方的一样

耶鲁公开课 - 古希腊历史简介课程节选