我难以维持生计。用英语怎么说？

我难以维持生计。

I just cannot afford to keep myself...

just

adv. 刚才，仅仅，只是，正好，刚要；adj. 公正的，合理的，恰当的，合法的，正确的；

例句
It became very clear that the incident was not just an aberration, it was not just a single incident.
事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。

cannot

=can not，未可，不能，不可；

例句
...parents who feel they cannot cope or might abuse their children.
认为自己应付不来或可能会虐待孩子的父母

afford

vt. 买得起，担负得起，提供，给予；

例句
My parents can't even afford a new refrigerator...
我父母甚至买不起一台新冰箱。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

keep

vt. 保持，保留，遵守，阻止；vi. （食品）保持新，保持健康；n. 保持，保养，供养，抚养，生活，生计，饲料；牧草；

例句
The company say they're able to keep pricing competitive...
该公司说他们能够使定价保持竞争力。

myself

pron. 我自己，亲自；

例句
I married above myself — rich county people...
我高攀了一门亲事，是县里的富有人家。