difficulty的其他形式

difficultly 副词，例如：

1、It raining， the little girl helped her grandmother along difficultly.下雨了，那个小女孩扶着她的祖母艰难地向前走着。

2、All of these make enterprises control cost more difficultly.所有这些都使企业控制成本愈加困难。

3、Development in Treatment Technology for Toxic Industrial Wastewater Degraded Difficultly.有毒难降解工业废水处理技术研究进展。

difficulty其他形式为difficult

例句

1、

They showed great perseverance in the face of difficulty.

他们面对困难表现了坚强的毅力。

2、

One of the staff saw he was in difficulty and came to his aid.

一名工作人员见他有困难，便过来帮忙。

3、

I think the problem can be got over without too much difficulty.

我认为这个问题不太难解决。

difficult 形容词

difficulty 名词，困难.也有其他形容词结尾加“y” 之後变成名词的例子，如：honest 诚实的的，加y 变成名词：honesty 诚实 正直

difficultly 副词.很多情况下，形容词后加‘ly’‘会变副词，如slow-slowly quick-quickly