unemployed的名词形式怎么写

例句：

The long-term unemployed are becoming a new underclass.

长期失业的`人正形成新的贫困阶层。

She was unemployed for all that time.

那段时间她一直失业。

He has no conception of how difficult life is if you're unemployed.

他不懂得失业后生活会是怎样的艰难。