1. be ill off : 不幸, 贫困;
形容词
1. He was so ill that he could not walk.
他病得都不能行走。
2.
2. She can't go to school because she is ill.
她不能上学了,因为她病了。
副词
1. The child has been ill-treated in the orphan house.
这孩子在孤儿院里一直受虐待。
2. I can ill afford the time.
我花不起这个时间。
3. He never speaks ill of his friends.
他从不讲朋友的坏话。