YH : Everyone, I'm sorry can't be your side at that hard time. But, I'll feel happy if I can encourage everyone through music.

容和：在大家最困难的时间里没有陪在你们身边，我很抱歉。但是，如果我很高兴能够通过音乐的方式来鼓励大家。

youdao

Hard times may hold you down at what usually seems like the most inopportune time, but you should remember that they won't last forever.

困难时期可能总在最不合时宜的时候阻碍你，但请相信，这样的时刻不会一直持续下去。

youdao

Going to college was hard for Curie because at that time women were not allowed to attend school.

对居里夫人来说，上大学很困难，因为那时候妇女是不允许上学的。

youdao

Hard to believe today, but Sicily was one of the major granaries of the Mediterranean world at that time, tremendously fruitful, able to grow the best possible crops, very good wheat and so on.

在今天很难想象,但西西里是当时地中海地区,最主要的粮仓之一,产物丰盛,能够种植最好的谷物,上乘的小麦等等

耶鲁公开课 - 古希腊历史简介课程节选

"I will stand by the answer that I gave earlier, which is that I would be very hard pressed at that time to recommend a continuation, " Petraeus replied.

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Despite these widespread beliefs, there is no hard evidence at this time that consuming extra vitamin C is beneficial to our health.

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But the reader comes away convinced that the forces set in motion, for good and for ill, in 1979 set the stage for the world we see today, in ways that were hard to see at the time.

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