困难的副词用英语怎么表达？

difficultly adv. 困难地，费力地；

例句

This plan is difficultly described.

这个计划难以描述。

There is no difficultly enough love will not conquer.

只要有深爱——没有克服不了的困难。

I had difficultly in grammar after I entered the school.

我进了学校以后在语法上遭遇了困难。

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。

No one knows how difficultly he struggled in the poor conditions.

没人知道他是怎样在恶劣的环境下艰难地奋斗。

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。