If someone wakes up with a hangover, they feel sick and have a headache because they have drunk a lot of alcohol the night before.
N-COUNT
遺留觀念（或習(xí)俗）
Something that is a hangover from the past is an idea or way of behaving which people used to have in the past but which people no longer generally have.
例句
As a hangover from rationing, they mixed butter and margarine.作為食品配給制的一種遺留影響，他們總把黃油和人造黃油混在一起吃。
英漢詞典釋義
n.
宿醉(酒后醒來的頭痛和不舒服)
I had one hell of a hangover the next morning.第二天早上宿醉讓我難受死了。He had a hangover, so he ordered a sandwich to settle his stomach.他有一點兒宿醉，所以點了三明治讓胃舒服一點。He’s still sleeping off yesterday’s hangover.他還在睡覺消除昨天的宿醉呢。‘Why are you drinking whisky at 8 o’clock in the morning?’ ‘Hair of the dog.I’ve got the most terrible hangover.’ “你干嗎早上8點喝威士忌?”“解宿醉,從來沒有酒后這么難受過。”
英英詞典釋義
Noun
1. disagreeable aftereffects from the use of drugs (especially alcohol)
2. an official who remains in office after his term
3. something that has survived from the past;
"a holdover from the sixties""hangovers from the 19th century"