若非亲身经历，岂知其中甘苦。

You cannot appreciate the difficulty except through personal experience.

岂非可笑！

Isn't it ludicrous?; How ridiculous!

如此而已，岂有他哉！

That's all there is to it!

联系到他的错误，岂不是可以发人深醒的吗？

Viewed in connection with his mistakes, shouldn't this make one wide awake?

夫岂不知？

Now doesn't he know?

岂非白日做梦？

Isn't that daydreaming?

这样解释岂非自相矛盾？

Wouldn't it be self-contradictory to put it that way?

岂非咄咄怪事？

Isn't it absurd? or what a strange business?

使她能独立、自主，只要她愿意，这岂不是普通的侠义精神吗？

Would it not be common chivalry to make her independent, if she wished?

他岂不是在做梦吗？

Isn't he just daydreaming?

这位管理员向同层其他人散布关于岂儿斯勒的流言蜚语，大伙都把他看作一个邋遢老头而躲开他。

The janitor had spread the word about Kessler to the others on the floor, and they shunned him as a dirty old man.

呜呼！盛衰之理，虽曰天命，岂非人事哉？（欧阳修《新五代史》）

Alas for the law of prosperity and decline! although regarded as heaven's decree, is it not truly the handiwork of men?

伯21:29你们岂没有询问过路的人麽.知道他们所引的证据麽

Have you not asked wayfaring men, And do you not recognize their witness?