When I graduated from university, I decided to devote myself to education.

9. achieve (v.) achievement (n.)

1) to finish successfully 完成，做到

He will never achieve anything if he doesn't work hard.如果不努力，他会一事无成。

2) gain 达到，实现 He achieved his goal. 他达到了他的目的。

10. grade n. 1)等级 2)年级 3)分数

He is not in the first grade as a musician. 作为一个音乐家，他不是一流的。

She got good grades last semester. 她上学期取得了好成绩。

My daughter is a pupil in the second grade. 我女儿是个二年级的学生。

11. average on average 平均

1) n 平均;平均数

The average of 3, 8 and 10 is 7. 3、8和10的平均数是7。

His school work is well above / below average. 他的学习成绩在中等以上/以下。

2) adj. 平均的;一般的

What is the average rainfall for July?

他只是一个普通的学生。 He is an average student.

12. a bit / a little not a little: very much, not a bit: not at all

I’m a bit/ a little tired. 我有点累。

I was not a bit tired after climbing the hill. 在爬山后我一点也不累。

I was not a little tired after climbing the hill. 在爬山后我很累。

He knows a little Japanese.= He knows a bit of Japanese.

13. challenge n.挑战; challenging adj 具有挑战性的

I accepted his _____challenge______ to run a race around the lake.

She finds her new job very _____challenging__________.

14. struggle n.难事;vi.努力，挣扎，奋斗 struggle to do sth.

Jack要在这么短的时间内作好准备真是不容易。

It was a struggle for Jack to get ready in such a short time.

She’s ______A________a family on a very low income.

A. struggling to bring up B.struggling bring up

C. struggling to bringing up D.struggling bringing up

15. for free =free of charge / without payment 免费地

16.fun adj.有趣的 n.(不可数)有趣的事，乐趣

I enjoyed the show very much----it was really fun. 词性：_____adj.______

Why don’t you come with us ?It’ll be great fun. 词性：_____n.______

17. prepare v. preparation n.

prepare sth. 准备某物 prepare to do sth. 准备做某事

prepare for sth. 为某事做准备prepare sb. for sth. / to do sth. 使某人准备好做某事

be well prepared for sth/ to do sth. = be / get ready for为做某事作好了准备

Mother is preparing supper in the kitchen. 妈妈在厨房准备晚饭。

We are preparing for the coming exam. 我们正在为即将到来的期中考试作准备。

The government is preparing to take measures to reduce pollution. 政府正在准备采取措施减少污染。

You must prepare him to face difficulty.你必须教他准备面对困难。

in preparation for = make preparations for为某事做准备 = prepare for