This math problem should be worked out in half an hour.

这道数学题应该在半小时内解出来。

—Is Helen here?—No, she isn't here. She will arrive in half an hour.

——海伦在吗？ ——不，她不在。她将在半小时内到达。

My life will pick me up in half an hour.

我妻子在半小时内会来接我。

The most amazing one was when they had to exchange things worth thousands of yuan with only a piece of paper in half an hour.

最让人吃惊的是，他们不得不在半小时内用一张纸兑换价值几千元的东西。

In half an hour, they'd switched the tags on every cable.

半个小时内，他们换了每根电缆的标签。

We'll be there in half an hour.

我们半小时后就能到那儿。

Please check in half an hour prior to departure.

请在起飞前半小时办理登机手续。

If he doesn't go to sleep in half an hour, you must call me.

如果他半小时后还不睡觉，你就得叫我。

Jane is in a hurry because the train to the airport leaves in half an hour.

简很着急，因为去机场的列车还有半个小时就要开了。

A French couple may touch 100 times in half an hour while an American couple may only touch twice!

法国夫妇半小时内可能会接触100次，而美国夫妇只会接触两次！

There was a machine in the kitchen which could extract the juice of two hundred oranges in half an hour if a little button was pressed two hundred times by a butler's thumb.

厨房里有一台机器，只要管家用拇指按下小按钮两百次，半小时就能榨出两百个橙子的汁。

The woodshed burned down in half an hour.

那间柴屋只半个小时就给烧光了。

She goes on duty in half an hour.

半小时后她开始值班。

They will arrive in half an hour.

他们将于半小时之内到达。

William: Class starts in half an hour.

再过半小时就要上课了。

The honey will candy in half an hour.

再过半个小时蜂蜜就会凝结起来。

She should be back in half an hour.

她半小时后应该会回来。

My master will be here in half an hour.

我的主人要在半个钟头内到家啦。

The plane will take off in half an hour.

飞机将于半小时后起飞。

The school bus will be along in half an hour.

校车半小时内就要来了。

She tossed the article off in half an hour.

她在半小时内就完成了这篇文章。

I'll come back and pick you up in half an hour.

半小时后我来接你。

She cobbled together an essay in half an hour.

她用半小时胡乱拼凑了一篇文章。

Make yourself at home. T'll be back in half an hour.

请随便点，别拘束。我半小时后就回来。

He finally drifted in half an hour after everyone else.

他终于飘然而至，比别人迟到了半个钟头。

The train to Beijing will depart from platform 3 in half an hour.

开往北京的火车将于半小时后从三站台开出。

In half an hour, Hastings had completely reinvented Netflix's strategy.

在半小时内，黑斯廷斯已经完全地重新改造了Netflix的战略。

"The kitchen closes in half an hour," said the iron lady of the house.

“厨房在半小时里就要关了，”旅馆的铁女人如是说。

Science experiment packages will arrive at your school in half an hour.

试验组建会在半个钟头内到。