On the other hand, if you choose not to be very motivated, not to be very responsible, not to be prepared to work very hard, you probably won't get a good education."

VOA: special.2009.12.03

It's very hard to keep a body together in O'Connor, well, I won't get in to that.

在她的书里面,鲜有躯体能够保存完整，我暂且不解释这个问题。

耶鲁公开课 - 1945年后的美国小说课程节选

And I also want to point out, it's guaranteed pretty much you may or may not be able to see, sometimes it's hard to see that one that's getting near the UV end of our visible spectrum. So we won't worry if we can't see that.

我要指出的是，我可以保证你们,但你们可能会看不到，有时候很难看到,这个可见光谱边缘接近紫外光地方的这根谱线,所以看不到也不用担心。

麻省理工公开课 - 化学原理课程节选

It seems hard to believe that it had been 62 years since the Americans had won Olympic gold in the four-man bobsled.

VOA: standard.2010.02.28

He spoke about the struggles of the civil rights movement, and King's hard-won victories.

VOA: standard.2010.01.17

"They have gone through the past month or so of very hard effort to reach the point where they can begin to consolidate and control ground that they have won so, by no means this is over yet.

VOA: standard.2009.07.27