the headache and sick feeling that you have the day after drinking too much alcohol Topics Illnessc2宿醉(过量喝酒后第二天的头痛以及恶心反应) - [usually singular] hangover (from something)
a feeling, custom, idea, etc. that remains from the past, although it is no longer practical or suitable 遗留的感觉;沿袭下来的风俗(或思想等) the insecure feeling that was a hangover from her childhood 她儿时留下的不安全感 hangover laws from the previous administration 从上届政府沿袭下来的法律