(1)病，不健康(state of being ill;poor health)[U]：pretend～裝病;be suddenly seized with～突然生病;There must be～in his family. 他家里肯定有人生病了。During his last～we only saw him twice. 在他上次生病期間我們只看過他兩次。
(2)疾病(disease;sickness)[C]：contract an～得病;get over an～從病中恢復(fù)過來;a fatal/grave/major/serious/lingering/sudden～ 致命/嚴(yán)重/大/重/纏綿/突然的病;an incurable/undiagnosed～ 不能治愈/沒有確診的病;a mental～精神病;special diets for different kinds of～es 不同疾病所需的特殊飲食;
←ill adj
【辨異】illness與complaint、disease、trouble和sickness的區(qū)別見COMPLAINT。