New words and expressions
1. avoid vt. 避免，躲避； 预防，防止
avoid sth / avoid doing sth
You can avoid danger by being careful.
I took the other direction so as to avoid meeting her.
He told a lie in order to avoid being punished.
I just avoided running over the cat. 我差点儿轧着猫。
Try to avoid accidents. 尽量防止发生事故。
2． contact
n.接触，联系(contact with sb./sth.)
The two substances are now in contact with each other, and a chemical reaction is occurring.
Pupils must be brought into contact with new ideas.
The troops came into contact with the enemy.
We are out of contact with our friends. / be in contact with sb.
He lost contact with his son.
keep in contact with sb. / get in contact with sb.
make contact with sb./sth.与某人交谈会晤或取得联系
I finally made contact with her in Paris.
vt. 联系，与来往
Where can I contact you tomorrow?
3. frown
vi. 1) frown at sb./sth. 皱眉,蹙额
What’s wrong? Why are you frowning?
Peter frowned at the noise coming from the boys’ bedroom.
2) frown on/upon sth. 不赞成，不许可，不同意
My parents always frown on late nights out. 不赞成深夜外出。
n. She looked up from her exam paper with a worried frown.
I noticed a slight frown of disapproval on his face.
4. lean v. (leant, leaned)
1) 倾斜，弯曲，屈身
lean forward, lean back
lean out of the window, back in one’s chair, over to one side.
2) lean against/upon/on sth. 依靠在某物上
The ladder is leaning against the wall.
The old man leant upon/on his stick.
3) lean sth. against/on sth.使某物靠在另一物上
The workmen leant their shovels against the fence and went to lunch.
4) lean on/upon sb./sth. for sth.依靠某人（某事物）=depend on
Young people lean on old people for guidance/advice/support.
5. ahead (时间、空间)在前，向前
He ran ahead. Walk straight ahead.
The way ahead is broken. Do you know the tall man ahead?
ahead of 1)(时间、空间)更前、更早
London is about five hours ahead of New York.
Ahead of us lay ten days of intensive training.
2) 处于领先地位，领先
She was always well ahead of the rest of the class.
His ideas were ahead of his time
ahead of time/schedule 提前
He finished the work ahead of time.(=in advance; beforehand;)
---- Would you mind my opening the door?
----No, go ahead.
----Let’s practise speaking in English ?
----Good idea. Go ahead.
6. manage vt/vi.
1) 负责，管理，经营，
manage a shop, business, factory
2) 控制，驾御
manage a naughty boy ; manage a difficult horse.
He’s good at managing his money.
3) 设法完成 manage to do sth
In spite of these difficulty, he managed to finish the task.
I can’t borrow the money so I’ll have to manage without.应付（将就）
4) 与can, could, be able to连用，达到，做成
I haven’t been learning French for long, so I can only manage a few words.
I can’t manage another piece of cake.
Despite his disappointment, he managed a smile. 他尽管很失望，还是强颜一笑。
7. vary
1) vi. 不同(vary in sth) 变化(vary with… , vary from… to…)
Prices vary with the seasons.
Her mood varies from optimism to extreme depression. 她的情绪有乐观一变而为极度消沉。Customs vary from country to country.