Someone smiles makes you smile. You smile you make someone smile.

别人笑会引起你发笑 你发笑会引起别人发笑。

He laughs at their differences in personalities.

汀因他们性格上的差异而发笑。

Now it was my turn to smile.

现在该轮到我发笑了。

Were the babies laughing on the inhale, the exhale, or both?

婴儿是在吸气时发笑还是在气时发笑，或是在吸气和气时都会笑？

I would make teachers laugh as well.

我也会让我老师发笑。

What makes you laugh no matter what?

总是让你发笑的是？

Are you trying to entertain somebody and make them laugh?

你想娱乐逗某人发笑吗？

And why does it tend to make us laugh?

它会使我们发笑呢？

But quite often it is she who makes us laugh.

但常常是她让我们发笑。

It makes you smile or it makes you laugh.

它让你微笑或者让你发笑。

And some words that we can use to describe them are hilarious.

我们可以形容它们是令人发笑的。

If something is funny it makes you laugh.

如果某件事很funny，它会令你发笑。

I love telling a story and making people laugh.

我喜欢讲故事并让人发笑。

She tickled the baby's feet and made him laugh.

她搔孩子的脚，使他发笑。

I can't help laughing when I watch them!

看到他们的时候我就忍不住发笑。

And what makes me cry might make someone else laugh.

让我哭泣的东西可能会让别人发笑。

It's that you've done something that makes people laugh and then think.

就是你做的能让人发笑，然后思考。

He listened when she talked, and she liked making him smile.

他倾听她说话，她喜欢逗他发笑。

The only reaction this dog gives people is the giggles.

这只狗带来的唯一反应就是引人发笑。

It means that one person laughing can make others start laughing.

意思是指一个人发笑可以让别人跟着笑。