ill名词是illness

ill

adj.有病;不舒服;坏的;不良的;有害的;不吉利的;不祥的

adv.恶劣地;讨厌地;差劲;不足;困难地

n.问题;弊端;疾病;伤害;厄运

复数： ills

比较级： worse

最高级： worst

You must slow down or you'll make yourself ill.

你得松松劲，不然会累病的。

He was very good to me when I was ill.

我生病时他对我关怀备至。

He's been ill a long time.

他生病很久了。