"He knows that this suspension of settlement construction is difficult, that it is not easy for anyone;

VOA: standard.2010.01.03

Ulysses is not difficult to read, and it richly rewards each reader in wisdom and pleasure.

尤利西斯》不难读，它会给每位读者以智慧和愉悦。

耶鲁公开课 - 1945年后的美国小说课程节选

There was a conditional agreement: yes, Norway should manage this oil risk but it's politically difficult and that's the problem-- is that we're not able to do our optimal management.

他们在一定程度上同意我的观点：,是的，挪威应该设法解决石油的风险,但这在政治上很困难,其问题在于-,挪威无法做到最优的管理。

耶鲁公开课 - 金融市场课程节选

(SAYING) Mely says that while the push for immigration reform is difficult, it should not be impossible.

VOA: standard.2010.03.21

It's a difficult problem that not everyone is smart -they vary in their ability -so we try to make a world in which it's pretty safe for the small investor who's not paying attention.

不是所有人都是聪明人,这是个难题,大家能力不同,所以我们试图营造一个环境,一个让小投资者感到安全的环境,而无需忧心忡忡

耶鲁公开课 - 金融市场课程节选

"In fact,I am not the first to have said it is the most difficult legislation probably in the last century because it affects literally everybody in America."

VOA: standard.2009.07.31

I know it is difficult,". "After all,this is not democratic environment.

VOA: standard.2009.11.01