昏昏欲睡 drowsy
Explanation
昏昏沉沉，只想睡觉。形容极其疲劳或精神不振。也比喻诗文、谈话等内容空洞乏味，使人提不起兴趣。
Drowsy and sleepy, wanting only to sleep. It describes extreme fatigue or lack of energy. It also refers to the content of poems, talks, etc. being empty and tasteless, making people feel no interest.
Origin Story
从前，有一个书生名叫李明，他为了参加科举考试，日夜苦读，废寝忘食。终于，考试的日子到了，李明怀着激动的心情来到考场。然而，由于长期缺乏休息，他坐在考场里，感到昏昏欲睡，头脑昏沉，提不起精神来答题。试卷上的题目在他眼前晃动，字迹模糊不清，他努力想要集中注意力，却怎么也做不到。他强撑着写了几句，便再也无法继续下去了。最终，李明因为昏昏欲睡，没能完成考试，落榜而归。他深感后悔，从此以后，他更加注意劳逸结合，不再过度用功。
Once upon a time, there was a scholar named Li Ming. In order to take the imperial examinations, he studied day and night, neglecting sleep and food. Finally, the day of the examination arrived, and Li Ming came to the examination hall with excitement. However, due to the lack of rest for a long time, he felt drowsy and his head was heavy in the examination hall, he couldn't concentrate on answering questions. The questions on the exam paper were swaying before his eyes, the handwriting was blurry, and he tried hard to concentrate, but he couldn't do it. He managed to write a few sentences, but then he couldn't continue any longer. In the end, Li Ming failed to finish the exam because of his drowsiness and failed the exam. He deeply regretted it, and from then on, he paid more attention to combining work and rest and no longer overworked himself.
Usage
形容人非常疲倦，很想睡觉。也用来形容事物枯燥乏味，令人提不起精神。
To describe someone who is very tired and wants to sleep badly. It is also used to describe something boring and monotonous, making people listless.
Examples
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他学习了一整天，晚上昏昏欲睡，实在撑不住了。
tā xuéxí le yī zhěng tiān, wǎnshang hūn hūn yù shuì, shí zài chēng bu zhù le.
He studied all day and was drowsy at night. He couldn't hold on any longer.
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这篇文章写得枯燥乏味，读起来昏昏欲睡。
zhè piān wénzhāng xiě de kūzào fáwèi, dú qǐlái hūn hūn yù shuì.
This article is boring and dry, and it makes you sleepy when you read it.