When the trees matured they were cut.

当这些树长成时，它们就会被砍掉。

Can you tell me when the movie starts?

你能告诉我电影什么时候开演吗？

Fans get the hump when the team loses.

球队失利时，球迷们感到沮丧。

Tell me when the tape starts recording.

磁带开始录时告诉我一声。

That's when the pressure really started.

那是压力真正开始的时候。

The house rocked when the bomb exploded.

炸弹爆炸时，房子都晃动了。

You did well to sell when the price was high.

你在价钱高的时候出售，真明智。

How high was the plane when the engine failed?

发动机出故障时飞机离地面多高？

Prune rambling roses when the flowers have faded.

花儿已经凋谢了的时候，修剪那些凌乱的蔷薇。

Guests panicked and screamed when the bomb exploded.

炸弹爆炸的时候，客人们惊慌失措，惊声尖叫。

There was mass hysteria when the band came on stage.

乐队登台时观众一片疯狂。

When the right opportunity comes along, she'll take it.

适当的机会来临时，她会抓住的。

Hundreds of lives were threatened when the building collapsed.

数百条性命在大楼垮塌时受到了威胁。

He looked distinctly uncomfortable when the subject was mentioned.

提到这个话题，他显然局促不安起来。

She was glad when the meeting was over.

会议结束时她很高兴。

Disaster struck when the wheel came off.

车轮脱落，灾难就来了。

Violence flared when the police moved in.

警察逼近时爆发了暴力行为。

The class got up when the teacher came in.

老师进来时全班起立。

Everyone stood when the President came in.

总统进来，大家都站了起来。

When the oil is hot, add the sliced onion.

油热之后，加入切好的洋葱。

A stampede broke out when the doors opened.

门一开，人们蜂拥而出。

There was a real scrum when the bus arrived.

公共汽车到站时，人们一窝蜂都往上挤。

When the chicken is cooked I'll freeze some.

鸡肉做熟后我会冷冻一部份。

When the seedlings sprout, uncover the tray.

幼苗发芽后，揭开盘上的遮盖物。

Reforms were promised when the time was ripe.

曾经作出承诺，时机一成熟就进行改革。

The flag flies when the Queen is in residence.

女王的王宫及驻跸处均有国旗飘扬。

I was having a quiet read when the phone rang.

我在静静地看书，忽然电话铃响了。

The streets soon emptied when the rain started.

雨下起来时街上很快便空无一人。

Cars did not stop when the lights were on amber.

当交通灯是黄色时汽车没有停下来。

He gets muddled when the teacher starts shouting.

老师一喊叫他就心烦意乱。