The water isn't fit to drink.这水不适合喝。

(2). vi, vt to be the right size and shape for someone or something; to put a small piece of equipment into a place, or a new part onto a machine, so that it is ready to be used合适；安装

e.g.

This jacket fits her well.她的夹克非常合身。

She fitted a new lamp in her bedroom.她在卧室安装了一盏新灯。

(3)常用短语：

keep fit 保持健康

be fit for.../be fit to do...适合做......

e.g.

My grandfather keeps fit by taking a walk every day. 我祖父通过每天散步来保持健康。

What kind of job is he fit for? 他适合做什么样的工作？

(4).词语辨析：fit 和suit

①fit作动词时，多指大小、形状合适，吻合；suit多指合乎需要，合（某人）之意，或（衣服、型式等）与......相配。

②fit 作形容词时，可与suitable（合适的）互换，be fit for/to do...=be suitable for/to do...。

e.g.

Try this key and see whether it fits. 试试这把钥匙，看看是否合适。（指the key 和the keyhole是否吻合）

I'm afraid this time doesn't suit me. 恐怕这个时间对我来说不合适。

构词解析：

fit, vt vi合适；adj.合适的；n 合身；合身的衣服；fitness, n, 适当，适合；健康；unfit adj.不适当的；vt.使不适当

Practice

Correct the mistakes in the following sentences.

1. Her jeans suit a little bit tighter. ________

2. The color of the shirt doesn't fit you.__________

Key for reference

1. suit改成fit，（她的牛仔裤有点紧）

2. fit 改成suit（这件衬衫的颜色不适合你）

3. rare. adj. not often happening or seen, etc; unusual稀有的；珍贵的

rarely adv, not often, seldom 很少；难得

rarely和hardly, never, little, none, nothing等词一样，属于否定意义的词，表否定意义的词或短语置于句首时，后面的句子应该部分倒装，即主语要放在be动词、情态动词、助动词的后面。

e.g.

Snow is quite rare in my hometown.在我的故乡下雪是罕见的。

We should protect rare animals. 我们应该保护珍稀动物。

It is rare for her to wear skirts. 她很少穿裙子。

I rarely watch TV now. 我现在很少看电视。

He is rarely late.他很少迟到。

Rarely does she eat meat. 她很少吃肉。

Rarely do I drink wine these days. 这些天来，我很少喝酒。

构词解析：