声嘶力竭 voice hoarse, strength exhausted
Explanation
形容竭尽全力地喊叫，声音嘶哑，力气用尽。
Describes shouting with all one's might until hoarse and exhausted.
Origin Story
一位老先生在山脚下教书，他为了让学生们理解知识，常常声嘶力竭地讲课，嗓子都讲哑了，但他依然坚持着，因为他希望自己的学生们能够学有所成。后来，他的学生们大多都成为了国家的栋梁之才，他们都记住了老师那声嘶力竭的教诲。
An old gentleman taught at the foot of a mountain. To help his students understand the knowledge, he often lectured with all his might, his voice hoarse. But he still persisted, because he hoped his students could achieve something. Later, most of his students became important figures in the country, and they remembered the passionate teaching of their teacher.
Usage
用于形容说话或喊叫时的状态，多用于描述一种尽力而为、不顾一切的状态。
Used to describe the state of speaking or shouting, often to describe a state of trying one's best and regardless of everything.
Examples
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他为了让大家听到，声嘶力竭地喊叫着。
tā wèile ràng dàjiā tīngdào, shēngsīlìjié de hǎnjiào zhe.
He shouted until he was hoarse to make everyone hear.
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演讲者声嘶力竭地阐述着自己的观点，试图说服听众。
yǎnjiǎng zhě shēngsīlìjié de chǎnshù zhe zìjǐ de guāndiǎn, shìtú shuōfú tīngzhòng.
The speaker passionately expounded his viewpoint, trying to persuade the audience.