Difficult to obtain good results 取得好的成绩很难
Such food, moreover, taxes our digestive organs decidedly less, and, in making us more contented and sociable, produces an amount of good difficult to estimate.
而且这样的食品能明显降低对我们消化器官的负担,又能使我们更容易满足、更善于交际,带来不胜枚举的益处。
Others disagreed. In any case, it was not a good time to argue it was the Great Depression, and times were difficult.
VOA: special.2009.12.29
It also is a good lesson in how difficult it is, and we'll talk about this in a subsequent class, to actually measure what people eat.
同样这能很好的说明,实际评价人们的饮食有多困难,我们下节课会讨论这个话题
That's a very difficult challenge in the Senate right now. It's not looking very good these days,
目前这在参议院是很大的挑战。现今的形势看上去不容乐观。
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