自言自语 muttering to oneself
Explanation
自己一个人低声说话，通常是由于思考、焦虑、兴奋或其他情绪而引起的。
To speak softly to oneself, usually caused by thinking, anxiety, excitement or other emotions.
Origin Story
老张最近工作压力很大，每天下班后都独自一人坐在阳台上，自言自语地说着工作上的烦恼。他时而抱怨项目进度太慢，时而担心客户的反馈不好，时而又憧憬着完成项目后的轻松自在。有时候，他甚至会对着月亮自言自语，仿佛月亮是一位知心的朋友，能够倾听他的心声。有一天晚上，他对着月亮自言自语，说出了自己想辞职的想法。月光如水般温柔，仿佛在默默地回应着他。那一刻，他感到无比的轻松，仿佛卸下了一身重担。第二天早上，老张去公司办理了辞职手续，开始了他新的生活。
Recently, Lao Zhang has been under a lot of work pressure. Every day after work, he sits alone on the balcony, muttering to himself about the troubles at work. Sometimes he complains about the slow progress of the project, sometimes he worries about the bad feedback from the customer, and sometimes he yearns for the ease and freedom after the project is completed. Sometimes he even mutters to the moon, as if the moon is an intimate friend who can listen to his heart. One night, he muttered to the moon and told of his intention to quit his job. The moonlight was as gentle as water, as if silently answering him. At that moment, he felt incredibly relieved, as if he had lifted a heavy burden. The next morning, Lao Zhang went to the company to complete the resignation procedures and started his new life.
Usage
用于描写一个人独自低声说话的情况，常用于描写人物的心理活动或情绪状态。
Used to describe someone speaking softly to themselves, often used to describe a person's mental activities or emotional state.
Examples
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他一个人在房间里自言自语，好像在和谁说话。
tā yīgèrén zài fángjiān lǐ zì yán zì yǔ, hǎoxiàng zài hé shuí shuōhuà。
He muttered to himself in the room, as if talking to someone.
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她自言自语地念叨着，脸上露出了幸福的笑容。
tā zì yán zì yǔ de niàndaozhe, liǎnshang lù chūle xìngfú de xiàoróng。
She murmured to herself, with a happy smile on her face.
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考试前，他紧张地自言自语，希望能取得好成绩。
kǎoshì qián, tā jǐnzhāng de zì yán zì yǔ, xīwàng néng qǔdé hǎo chéngjī。
Before the exam, he nervously muttered to himself, hoping to get a good grade.