difficult的普遍意思是困难的，同义词是hard,rough,rugged,
arduous,puzzling,laborious等。
一、英汉释义
adj.困难的; 难做的; 难解的; 不易相处的
二、同义词辨析
difficult, hard
这两个形容词均有“困难”之意。
hard： 含义广，通俗用词，与easy相对，泛指任何难理解，不好处理或不易做的事。
三、例句
1. He had a reputation for being bloody-minded and difficult.
他为人刻薄、难相处是出了名的。
2. I have a fair idea of how difficult things can be.
我大致了解情况会有多困难。
3. It would be difficult to find two men who were more dissimilar.
很难找到彼此间差异更大的人了。
4. There's no petrol, so it's very difficult to transport goods.
没有汽油，因此很难运输货物。
5. Adults need to live their own lives and that's difficult with children.
大人需要过他们自己的生活，但有了孩子就很难做到了。