hang-over

基本解释

The licensing laws are a hang-over from war time.
执照法是战时遗留下来。
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Hang-over wishes – parents' own unmet childhood wishes
遥不可及的期望——父母自己未能满足的童年愿望
Jim: Are you serious? His family has a bad health history. Was it a hang-over?
不是吧。他的家族健康史很不好。是不是你喝多了？

Determined men, they say, will try to dig under it, or hang-glide over it, or lob home-made mortar bombs at targets on the other side.
ECONOMIST: Israel and the Palestinians
MPs were forced to hang lime-soaked sheets over the windows of the House of Commons.
ECONOMIST: The capital's overflowing drains are due for a big upgrade
People with Down syndrome are not flying planes across the globe to hang out over pu-erh and discuss the finer points of Western culture in a language all their own.
NEWYORKER: Little Strangers

If someone wakes up with a hangover, they feel sick and have a headache because they drank a lot of alcohol the night before.
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.