Everything was so difficult, but we never feel sorry for ourselves here.

一切都很艰难，但我们在这里从不自怨自艾。

youdao

The task should be matched to your ability level—not so difficult that you'll feel stressed, but not so easy that you'll get bored.

任务应该与你的能力水平相匹配——不要困难到使你感到压力，但也不要容易到使你感到无聊。

youdao

For example, it was difficult for me to really comprehend, on Thursday evening, how I would feel when those fluffy white clouds I was so fond of would turn grey and menacing on Friday.

例如，对我而言，真的很难真正理解，周四傍晚，当那些我喜欢的蓬松白云变成周五那些灰色的危险的乌云，我有什么感觉。

youdao

"It's very difficult to feel anything because the track is so slippery, there is a lot of oil - and obviously it's raining, " he said.

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"I feel extreme discomfort among my men: It is difficult for us to support those we have being going against for so many years, " he added.

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