1、Young people today face a very difficult future at work.如今的年轻人面临着充满困难的工作前景。
2、It was a difficult situation, when you think about it.仔细想来，当时处境是很困难的。
3、Children can be difficult as we know only too well.小孩子往往很难对付，对此我们都非常清楚。
水利万物而不争,
而万物莫能与之争。
