16)be strict in (with) (对工作、对人)严格要求

My mother is strict with me.

我的妈妈对我很严厉。

17)be from 来自……，什么地方人

I come from China.

我来自中国。

18)be hungry/thirsty/tired 饿了/渴了/累了

She kept on working although she was tired.

她虽疲劳但仍继续工作。

19)be worried about 担忧

My mother was very ill, and I had to attend to her. And I was worried about her operation.

我母亲病了，我不得不照顾她。我非常担心她的手术情况。

20)be (well) worth doing (非常)值得做……

This book is worth reading.

这本书值得一读。

21)be covered with 被……所覆盖……

The vast champaign was covered with thick snow.

广袤的平原被厚厚的雪覆盖着。

22)be in (great) need of (很)需要

They are now in need of help.

他们现在需要帮助。

23)be in trouble 处于困境中

If anyone gets wind of our plans, we'll be in trouble.

要是有任何人得知我们的计划，我们就会陷入困境。

24)be glad to do sth. 很高兴做……

I am glad to invite his party.

25)be late for ……迟到

Helen is slow of foot. Hit her up, or we shall be late for the train.

海伦走得很慢，催她快一点，不然我们就赶不上火车了。

I am late for

26)be made of (from) 由……制成

be made of 是可以看出原材料的,例:The sweater was made of woollen.

毛衣是羊毛作的(可以看出的)

be made from是不可以看出原材料的,例/:The paper is made from wood

纸是树木作的(看不出来的)

27)be satisfied with 对……感到满意

From his manner, we drew the inference that he was satisfied with the exam.

我们从他的态度来推断，他对这次测验很满意。

28)be free 空闲的，有空

Will you be free next Friday?

下星期五你有空吗?

29)be (ill) in bed 卧病在床

30)be busy doing (with) 忙于做……(忙于……)

What are you busy doing then?

那么你在忙些什么呢?