Finally, at the end, I throw her a curve ball, or I give her a curve ball.

最后，在结束时，我问她一个难题。

A curve ball I think comes from baseball.

我想 curve ball 出自棒球。

That difference made the ball curve towards the lower pressure zone.

压力差让球朝向低压区转弯。

Yeah. - Going to throw a slight curve ball into the mix.

是的。- 再给大家一点意想不到的信息。

But a person who threw a curve ball did something unexpected.

一个人curve ball，那么这人就做出了意想不到的事情。

Often a question is a curve ball, right?

通常，一个问题可以说是一个“回旋的球”。

Well, I played in high school. I was all right. Never hit a curve ball.

我高中的时候打过。我打得还行，但从来没击中过曲线球。

So when something is unexpected, it can be a curve ball.

所以当事情出乎意料时，你可以说它是一个 curve ball。

But just as he prepared to take life easy, life threw another curve ball his way.

但就在他准备放松生活的时候，生活又开始刁难他了。

A curve ball is when I think from baseball, when you throw the ball and it spins.

Curve ball 是指你把球扔出去，球就会旋转。