"I think it's going to be tough because of some of the other performances of last year, particularly Roger Federer."

VOA: standard.2010.02.11

He had to be a tough businessman to arrive where he is.

足够强硬的人才能达到他的位置

耶鲁公开课 - 金融市场课程节选

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

"I don't want to get people's hopes up and they get so profoundly disappointed it is going to be tough, but nothing is impossible."

VOA: standard.2010.04.12

Beets much larger than that can be tough and have to be cooked for a long time.

VOA: special.2010.03.02

"It is been a tough journey, first,just to convince people that we should be regarded as serious candidates.

VOA: standard.2010.06.07

And,as I said,it would be tough for any government,any country, to prevent these kinds of attacks."

VOA: standard.2009.12.11

Jamaica's ambassador to the OAS, Anthony Johnson, says countries may be tempted to erect trade barriers during tough economic times, but this is a mistake.

VOA: standard.2009.04.15

"I have said we expect this to be a tough year."

VOA: standard.2010.05.26

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

"It may cost one or two seats to be lost in tough districts, but I think once people really find out what this bill does and how good a job he's done and the Democrats have done, I think they may very well pick up some seats."

VOA: standard.2010.03.25

He also offered some tough talk. "I emphasized that this has to be a point in time in which we begin to write a new chapter based on improved governance, a much more serious effort to eradicate corruption, joint efforts to accelerate the training of Afghan security forces so that the Afghan people can provide for their own security,".

VOA: standard.2009.11.02