Australia,one of the world's worst per capita emitters of greenhouse gases, warns that without tough environmental measures the country would lose jobs and key industries, including agriculture and tourism.

VOA: standard.2009.05.03

I've been assigning-- I've gotten some complaints from students that this book is tough going because there's so much information in it.

我一直指定...,有些学生向我抱怨说,这本书很难,因为信息量太大

耶鲁公开课 - 金融市场课程节选

And you know, that's tough for them but you know what, if you fall down,

对他们来说很难，但是如果你摔倒了，

不要放弃 - SpeakingMax英语口语达人

And that will be a very tough battle." As in many countries, America's elected officials are loathe to raise taxes or cut spending, particularly when the economy is weak and millions are out of work.

VOA: standard.2010.04.21

Let's say that your father is going through tough times.

假设你的父亲正在熬过一段艰难的时期。

I was 课堂 - SpeakingMax英语口语达人

I really did. I mean,sure, maybe we could do it again, but it's tough I mean the amount of money time and effort that goes into these things puts a huge strain on the city and the resources, so I hope we go for it again but I think it's hard,".

VOA: standard.2009.10.02

That's a tough question.

这问题比较难回答。

艺术画廊，来吧 - SpeakingMax英语口语达人

The suggestion Plato seems to be making by making Thrasymachus blush is, despite all of his tough talk, that he's not as tough as he appears to be, as he wants to think of himself to be.

柏拉图的暗示似乎是透过,让，Thrasymachus，感到困窘，先不管他先前那些顽固的言论，展现出他其实不像表现出的那般顽固，不像像他自己认为的那样顽固。

耶鲁公开课 - 政治哲学导论课程节选