单词“fair”在搭配“a fair deal”、“a fair chance”、“fair hair”和“a fair understanding”中，意思是完全不同的。

用法总结

1 形容词“fair”可以表示“合理的，公平的，公正的”。

I sold my car for £2000 – it was a fair deal.

What? That's not fair.

£1.75 for a cup of coffee seems a fair price to me. 

2 固定搭配“a fair chance”表示某事“非常有可能”发生。

It looks like there's a fair chance it will rain tonight.

There is a fair chance he'll leave the company.

3 形容词“fair”在形容人的头发或肤色时，有 “颜色很浅” 的意思。

My sister has fair hair and fair skin.

My son's hair was fair when he was a baby.

4 形容词 “fair” 还可以表示 “不好不坏的，还可以的”。

I have a fair understanding of Spanish, but I'm not fluent.

I would say this film is fair, but not excellent.