Tough
难熬───It's hard;难熬───It's hard
hard work shovelling snow.───雪是个苦活儿。
It's hard to make farming pay.───获利很不容易。
It's hard to see how they can lose.───很难理解他们怎么会输。
It's hard to visualize a map that does not feature north at the top, but this was not always so .───很难想象一幅地图没有把北方设在上端，但是这种绘制地图的方式并非一直这样。
Well, it's hard to say. Apart from the different attitude toward fighting are there any differences between them?───很难说。除了对打斗的观点不一外，二者还有什么不同的地方？
It's hard for me to let people in. I abandoned you when you were just a baby.───我很难对人敞开心扉。你还是个婴儿的时候我就抛弃了你。
It's hard to break down old prejudices.
It's hard work teaching a class of lively children.
It's hard to understand how the accident came about.
It's hard to say which is better.
It's hard sailing when there is no wind.