1.illness是由ill加后缀ness构成的合成词,是“病,疾病”的意思,多指生病的状态。
2.illness强调疾病的种类时,用作可数名词; 表示抽象含义,强调生病的状况时,用作不可数名词。
3.after illness可指“病愈之后”,也可指“生病以后”。

diplomatic illness
假装生病 feigned illness as an excuse not to do sth
The boss is coming round on an inspection tomorrow.I think I'll have a diplomatic illness and report sick.老板明天要来视察,我想假称有病回避一下。

His illness accounts for his absence.他因为生病而缺席。
His illness added to the family's troubles.他的病增加了家庭的困难。
The woman's illness puzzled the doctor; he couldn't find the cause.那女人的病难住了医生,他找不出病因。
I hope my teacher will take my recent illness into account when judging my examination.我希望老师在考察我的时候能考虑我近来的病情。
He is gaining in weight after his recovery from illness. 他病愈以后体重增加了。
He was internally disturbed to hear of her illness.听说她病了,他内心很不安。
Her savings have been eaten up by illness.因为生病,她的积蓄全被用光了。
Her heart was slightly damaged as a result of her long illness.久病使她的心脏受到一些损害。
She does fuss the children about to making sure they're well wrapped up, and worrying about minor illness.她一定要孩子们穿得暖暖的,他们有点小毛病她便提心吊胆,她对他们实在关心得太过分了。
The doctor brought Mother through a serious illness.那个医生治好了母亲的重病。
I'm afraid he's booked for a long illness.恐怕他难免要生一场大病了。
Dick believed in fresh air as a cure of illness. 狄克认为新鲜空气可以治病。
My grandmother died hard, suffering through a long illness.我的祖母是久病后死的,死得很痛苦。
He seems to be developing an illness.他似乎要生病了。
When he was a child, he had several illnesses.他小时候得过几次病。
The old man's health broken down after a serious illness.那位老人生一场大病后,健康衰退了。

illness, disease, sickness
参见disease条。

［同义词］   disease, sickness
［反义词］   health