困难的副词英语怎么表达？

困难的副词difficultly 困难地；

difficult

adj. 困难的；不随和的；执拗的

He is poor in his whole life, and lives very difficultly.

他一生贫困，劳苦奔波，生活非常艰难。

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。

Sometimes genetic algorithms ( GAs) converge slowly and difficultly.

遗传算法有时收敛太慢或收敛困难。

These made that human innovate more difficultly, even lead to failure of innovation.

这些风险使科技创新增加困难，甚至导致创新失败的可能。

The true black profile were difficultly obtained in black aluminum profile producing process.

在黑色建筑铝型材生产中难于获得真黑色的型材。