The bag was empty and so the books were lost.

vt. 倒空、倾空

e.g. The man emptied his pockets to prove his words.

Soon the whole building was emptied and would be pulled down.

5. shortly after：......之后不久

e.g. Shortly after he graduated from college, he got work in a big company.

She came back shortly after she heard the news..

6. in / within

in：可解释为"在......内"，也可解释为"在......之外、过......时间"，用于将来时。

e.g. They finished their work in three working days.

He will be back in about a month.

within：只解释为"在......之内、范围内"。

e.g. The school is within two kilometers from here.

Within only an hour, they finished the work, which was a wonder.

比较：after

after：后接一段时间时，通常用于过去时，相当于：... later

e.g. After three days = three days later, he came to life.

但当after后接点的时间时，也可用于将来时。

e.g. He will go home after five o'clock this afternoon.

7. disturb / interrupt

disturb：妨碍、打扰、扰乱、使心神不宁

e.g. Loud noises will disturb our studies.

I'll be very sorry if I'm disturbing you.

She was disturbed to learn about the bad result.

interrupt：打断、中断（工作、谈话或正在进行的事）

e.g. Sorry to interrupt you, but I have sth important to tell you.

We have to interrupt our work to discuss the problem.

I don't like being interrupted while speaking.

8. result in：结果、导致、引起

e.g. Smoking will result in illnesses.

Driving after drinking often results in accidents.

　　result from：由......而引起

　　e.g. Such diseases often result from eating too much..

　　 Several deaths resulted from his careless driving.

　　as a result (of ...)：因为、由于（......）

　　e.g. Many animals died as a result of pollution from factories and cars.

He didn't study hard enough, as a result, he failed to pass the exam.

9. test / examine / check

test：测试、验证，以了解人或事物的能力、品质、性能。

　　e.g. They tested the car and found it quite good.

　　 The teacher tested the students in English.

examine：检查、测验，以查找毛病、问题或所需要的结果。

　　e.g. Let the doctor examine your eyes.

Have you examined that dictionary? Maybe your card is in it.