He's going through a tough spell now.

他现在正在经历一段艰难的时期。

But what do you do to unwind after a tough day at work?

但是，一天的辛苦工作后，你怎么放松自己呢？

Interpreting stellar spectra was a tough problem.

解释恒星的光谱是一个难题。

Staying flexible under pressure is a tough job for arteries.

在压力下保持弹性对动脉是一种艰难的工作。

You're putting me in a tough spot.

你让我进退两难。

Yes, retailers had a tough few years.

是的，零售商经历了艰难的几年。

Black and blue? Must have been a tough game?

青一块紫一块？一定是一场艰难的比赛吧？

This question can be a tough one.

这可是个棘手的问题。

That's a tough call. What do you think?

这真是个棘手的问题。你怎么看？

This is a tough time for the economy.

现在是经济的艰难时期。

How old is a tougher question though.

不过年龄却成了一个棘手的问题。

Yes, this world is a tough place.

是的，这个世界是个艰难的地方。

They are a tough and bullheaded lot.

他们很坚强，很倔犟。

Landing the plane in a tough quarter.

飞机降落在一个艰难的季度。

That was a tough loss last night.

昨晚输得很惨啊。

You know, everyone has a tough intubation.

你知道的 学插管对每名医生都是个难题。

Wow, that does sound like a tough situation.

天，太坑爹了。

This is a tough one for me because.

这对我来说是蛮困难的一天。

Most are demanding a tougher line with Brussels.

大多数人都要求对布鲁塞尔保持更强硬的态度。

Mexico watchers say that's a tough question.

墨西哥观察人士表示，这是一个棘手的问题。