1.We heard a thump as he fell.

1.们听见他砰的一声了下。

2.The directors anticipated a fall in demand.

2.们预感需求会降低。

3.Which category does this item fall under?

3.这一项目应归入哪一类?

4.There was a sudden fall in temperature.

4.气温一下子降低了。

5.Jack skinned his knee when he fell.

5.杰克时膝盖擦破了皮。

6.He sprained his ankle when he fell.

6.他时扭伤了踝骨。

7.He survived a fall of 40 feet.

7.他从40英尺高的地方下没有丧命。

8.Statisticians predict a fall in unemployment by 2004.

8.统计学家们预测2004年失业率会下降。

9.Be careful lest you fall from that tree.

9.要当心, 以免从树上摔下。

10.That debate led to the government's fall.

10.那场辩论导致政府垮台。

11.What recks he if the sky should fall ?

11.天塌下他也不在乎。

12.I am apprehensive that she may fall ill.

12.担心她会病。

13.My mother was alarmed when I fell over.

13.当的时候，妈妈很惊慌。

14.She takes a vaccine against influenza every fall.

14.她每年秋季接种流感疫苗。

15.I recognized her when her wig fell off.

15.她的假发掉下时认出了她。

16.The film was so abysmal that I fell asleep.

16.电影太糟糕,看得睡着了。

17.Be careful lest you (should) fall from the tree.

17.小心, 不要从树上掉下。

18.His eyes glazed over and gradually he fell unconscious.

18."他的眼睛变得呆滞,渐渐地便不省人。"

19.The barometer marked a continuing fall in atmospheric pressure.

19.气压表表明气压在继续下降。

20.The stars came out as soon as darkness fell.

20.天一黑,星星就出了。