And,being one of the older skaters at 27, it feels good to be here still competing hard and representing the U.S.

VOA: standard.2010.02.23

it's always going to be hard at first,

一开始总是很难，

阳光总在风雨后 - SpeakingMax英语口语达人

And it's not hard to see how the heat of reaction at room temperature can be related to they heat of reaction at other temperatures.

知道室温下的反应热,如何与其他温度下的反应,热联系起来这点并不困难。

麻省理工公开课 - 热力学与动力学课程节选

"While passions and politics can often obscure the hard work before us,let's be clear about what this moment demands, we are at war,"

VOA: standard.2010.01.19

When you go into a restaurant now, unless you want to go look at a board on the wall or get a pamphlet that may be hard to find, or go to the website, it's going to be pretty hard to know what you're eating in those foods.

现在当我们去餐馆吃饭时,除非看一看墙上的菜单板,或者是去翻往往很难找到的宣传册,再或者去网站查看,否则很难知道,我们在进餐时到底摄入了些什么成分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"It is very hard to be a beacon for others, when you are constantly at war.

VOA: standard.2010.03.11

"I think they have to have an example like some stars like Landon Donovan on the US national team of the World Cup so they can see what an example is and what they could be like when they grow up and work hard at football."

VOA: standard.2010.06.15