11. stress

    n. the mental pressure精神压力

John feels comfortable when not under stress.

没有压力的时候，约翰感到很舒服。

Sometimes insomnia is caused by the stresses of modern life.

现代生活的压力有时候会造成失眠。

12. strip of

    vt. take away (property, honor, etc.) from someone没收

He was stripped of all his possessions.他全部的财产都被没收了。

vi. take off脱去衣服

He striped off and dived into the water.他脱了衣服跳进水里。

13. substance

n. material; an intoxicating, simulating drug, especially an illegal on; essence物质；非法药物；实质

Water, ice and snow are the same substance in different forms.

水，冰和雪是不同形式的相同物质。

I was told that Johnson used to be substance abuser.

我听说约翰逊曾经滥用药物。

in substance: essence实质

adj. substantial物质的；坚固的；大量的

a substantial table坚固的桌子

a substantial supply of food大量的食物供给

14. at all costs  

    regardless of the price to be paid or the effort needed 不惜代价

We must prevent them from finding out about the plan at all costs.

我们必须不惜任何代价阻止他们发现我们的计划。

War destroys everything and should be prevented at all costs.

战争会破坏一切，应该不惜代价阻止战争的发生。

15..extra

    adj. additional额外的

They were demanding extra pay for extra work.他们要求有加班费。

We agreed on a price but afterwards they wanted 10 dollars extra.

我们说好了价钱，可是随后他们又多要了10美元。

16. side effect

    secondary, usu. unpleasant or unwanted effect of a drug or a situation副作用

Sleeping drugs often have harmful habit-forming side effect. E

安眠药常有药物依赖的副作用。

One side effect of modern life is stress. C压力是现代生活的副作用。

17. have an effect on

    have the result of a particular influence on对…有影响

That drink has had quite an effect on him. 酒精在他身上起了很大的作用。

The advertising campaign didn’t have much effect on sales.广告对销售没有多大的影响。

18. when it comes to

in terms of; concerning有关

Joe is not good at sports, but when it comes to English he is the best in his class.

虽然乔伊体育不行，但碰到英语，他是班里最好的。

When it comes to repairing cars I know nothing.我对于修车一窍不通。

-当说到她孩子的成功时，这个母亲总是滔滔不绝

The mother has a lot to say when it comes to her child’s success.

　19. wash out

    tired 疲劳

She was washed out after along day’s work.在一天的工作后，她感到非常累。.

20.overdose

v. take too much medicine 过量用药