5. difficulty n.

(1) difficulty (通常作复数) 难事，难点，难题She met with many difficulties when travelling.

(2) 在以下句型中，difficulty是不可数名词，不能用复数形式。

have (some) difficulty (in) doing sth.

干某事有困难

　there is (some) difficulty (in) doing sth.

have (some) difficulty with sth.

在某事上有困难

there is (some) difficulty with sth.

do sth. with difficulty / without difficulty 困难地／轻而易举地做某事

We had a lot of difficulty in finding your house.

Do you have any difficulty with your English?

【注意】

　(1) 以上句型中，difficulty前可加some, little, much, a lot of, no, any修饰

(2) 以上句型中，亦可用trouble来代替difficulty。

6. favourite = favorite (A. E) 最喜爱的；最喜爱的人或事物

(1) adj. 最喜爱的My favorite sport is playing football.

(2) n. [C] 最喜爱的人或事物He is a favorite with his uncle.

7. fun的用法

▲构词：funny adj. 有趣的．滑稽的，好笑的；奇特的，古怪的

▲搭配：

　① make fun of 取笑；嘲弄；开某人的玩笑

　② (just)for / in fun = (just) for the fun of it 取乐，非认真地，说／做着玩的

　③ be full of fun...... 很好玩

　④ have fun with sb. 和某人开一个玩笑

　⑤ have (some) fun 玩得(很)高兴，玩得(很)开心

　⑥ It's (great) fun to do sth干某事很有趣；干某事真是一件趣事；干某事真开心

　⑦ What fun (it is) to do sth! 干某事多么有趣呀!

　⑧ have a lot of fun doing sth 干某事玩得很开心

【考例】 (200上海春招) This is not a match. We're play- ing chess just for ____.

A. habit B. hobby C. fun D. game

[考查目标] fun构成的短语for fun的意思。

[答案与解析]C，for fun 常在句中用作状语，意思是"说／做着玩的"。

8. imagine的用法

▲构词：① imagination n. [C / U] 想像，想像力，想像的事物 ② imaginative adj. 富有想像力的

▲搭配：① imagine sth / doing sth ② beyond (all) imagination (完全)出乎意料地

【考例】 I can hardly imagine Peter ___across the Atlantic Ocean in five days. (MET 1991)

A. sail B. to sail C. sailing D. to have sailed

[考查目标] imagine的基本用法。

[答案与解析] C imagine后接动词的-ing形式，本句的Peter是这个动名词的逻辑主语。

9. interest的用法

　interest vt. 使......感兴趣 n. 兴趣，爱好 [U] 利息；利润 He has a great interest in politics. 他对政治极感兴趣。/ a broad interest 广泛的利益 / a common interest 共同的利益 / a strong interest 极强的兴趣

▲构词：① interesting 令人感兴趣的(事物) ② interested (某人对某事)有兴趣的

▲搭配：① interest sb in sth 使某人注意，关心或参入某事；使某人对某事感兴趣 ② be interested in 对......感兴趣(关心)