caffeine withdrawal

基本解释

If you are a regular drinker of coffee, drinking it just eases the symptoms of caffeine withdrawal.
也门的苏菲神秘主义者是第一批将咖啡豆烘烤，并将其酿造成饮品。
In other words, the benefit tea and coffee drinkers perceive after a brew stems from removing their caffeine withdrawal symptoms, rather than any net gain in alertness.
换句话说，饮用者喜欢茶和咖啡的原因是，它们能消除咖啡因戒断症状，但这些饮料对大脑灵敏度的提高毫无帮助。
newssgo.com
What passes for a lift, Griffiths warns, may be nothing more than relief from the symptoms of caffeine withdrawal--such as lethargy and headache--which begin after overnight abstinence.
让我们感到精神一振的是，教授警告说停止饮用咖啡也会造成一些症状——比如嗜睡和头痛——会在停止后一晚上就开始出现，不过会逐步减轻。

At first I thought it was caffeine withdrawal or maybe seasonal allergies, but the culprit turned out to be the flickering of the fluorescent bulbs.
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