If you do, you'll be late.

如果你这样做，你会迟到的。

If you do, you'll be sorry.

如果你这样做，你会后悔的。

If you do, you'll have a great time.

如果你去，你会玩得很开心。

Repeat if you do not understand.

如果你不明白，请重复。

If you do, the teachers won't let you in.

如果你这样做，老师不会让你进来。

If you buy things you do not need, soon you will have to sell things you need.

如果你买不需要的东西，很快你就得卖掉需要的东西。

If you were in a similar situation to the son, what would you do?

如果你和儿子处于类似的情况，你会怎么做？

He says, if you do something really kind and generous, you'll be able to fly like other dragons.

“他说，如果你做一些非常善良和慷慨的事情，你就能像其他龙一样飞翔。”

Hypothetically, what would you do if you won the lottery?

假设地说，如果你中了彩票你会做什么？

If you do well at your job, you will be rewarded.

如果你做好了工作，你会得到奖励。