foul and fair 在任何情況下，不管順利或困難

He's been a good friend through foul and fair.

他一直是一位同甘共苦的好朋友。

He had promised that he would be with his sister through fair and foul.

他保證不管在什么情況下都要和他妹妹在一起。

Fair is foul, and foul is fair.

美即是丑，丑即是美。

fair /fe?/ adj. 公平的;美麗的，白皙

Faint heart never won fair lady.

懦弱的人永遠不會博得美人的歡心。

foul /fa?l/ adj.邪惡的;難聞的，有惡臭的;下流的

If you describe something as foul, you mean it is dirty and smells or tastes unpleasant.

...foul polluted water...惡臭的臟水