The house looked as if it was about to fall down.

房子看起来好像就要倒塌似的。

When the teacher asked why she did so, Lan said if her house could fly, it wouldn't fall down in an earthquake.

老师问到她为什么这样做时，兰说如果她的房子会飞，地震时就不会倒塌了。

Now will I fall down in a fit.

现在我要发急病倒下。

Don't fall down again today.

今天别再跌倒了。

The house will fall down.

那屋子迟早要倒塌。

Have you ever seen a baby fall down?

你看到过小孩跌倒过没？

The sky won't fall down.

天不会塌下来。

You almost fall down, but not really.

你差点儿跌倒，但是并没有跌倒。

Laugh loudly even when you fall down.

即使跌倒了也要豪迈的笑。

You may fall down.

你可能会跌倒。

During autumn, the leaves change color and fall down from the trees.

在秋天，树叶变了颜色，从树上掉下来。

He would have liked to fall down and worship him, if it were in the dark.

如果是在黑暗中，他真想跪下来膜拜他。

This makes the satellite fall down to the earth.

这使得卫星坠落到地球上。

Running in the hallways could cause a student to fall down.

在走廊上奔跑可能会导致学生摔倒。

In the north of China, leaves usually fall down when autumn comes.

在中国的北方，树叶通常在秋天到来时飘落。

At first, I fell down a few times, but now I seldom fall down.

一开始我摔了几次，但现在我很少摔倒了。

I'm afraid of mice like you, who dig under me and make me fall down.

我很怕像你们这样的老鼠，在我身下挖洞，把我弄倒。

They will fall down as rain.

它们会像雨一样降落。

What will fall down from the sky?

什么会从天而降呢？

The price of sugar will fall down.

糖的价格将会下降。

Who will pick me up when l fall down?

我掉落时谁会将我救出呢？

What if you fall down?

你摔倒了怎么办？

Leaves fall down from trees in autumn.

在秋天，很多叶子都从树上飘落。

Why did it fall down?

它为什么会掉下来？

We all fall down.

我们都倒下了。

You might fall down there and break your leg.

你可能会摔下去把腿摔断的。

Don't hang off the rope, or you will fall down.

不要放开绳子，否则你会摔下去。

Grandfather has told me not to let you fall down the rocks, so we can't go!

大叔告诉我不要让你从岩石上掉下去，所以我们不能去！

The weather forecast says rainy days will come soon, and the temperature will fall down.

天气预报说快下雨了，气温会下降。

Most adults, when they fall down, make a big deal out of it and don't even make a second attempt.

大多数成年人，当他们摔倒了，会对此大惊小怪，甚至不会再试一次。