ill和sick有咩区别？

ill不能作定语，只能做表语。sick既能作定语又能做表语。

ill
adj.（形容词）
worse[wûrs] worst[wûrst]
Not healthy; sick:
不健康的；有病的：
I began to feel ill last week.
我上星期开始生病了
Not normal; unsound:
不正常的；不舒服的：
an ill condition of body and mind.
身心的不健康
Resulting in suffering; distressing:
引起痛苦的；使烦恼的：
ill effects.
副作用
Having evil intentions; hostile or unfriendly:
敌意的：动机邪恶的；敌视的或不友好的：
You certainly did me an ill turn.
你肯定暗中作了不利于我的手脚
Ascribing an objectionable quality:
反对的，有异议的：归因于反对的特质的：
holds an ill view of that political group.
对那个政治团体持反对意见
Harmful; cruel.
有害的；残酷的
Not favorable; unpropitious:
不祥的；不顺的：
ill predictions.
不祥的预测
Not measuring up to recognized standards of excellence, as of behavior or conduct.
不符标准的，不完美的：表现或行为未达到公认的完美标准的
adv.（副词）
worse,worst
In a sickly or unsound manner; not well.
恶劣地：以一种病态的或不好的方式；不好地
Scarcely