无牵无挂 carefree
Explanation
形容没有牵挂和负担，非常轻松自在。
Describes someone who has no worries or burdens and feels very relaxed and free.
Origin Story
从前，有一个名叫阿福的年轻人，他从小父母双亡，独自一人生活。他虽然贫穷，但却无牵无挂，没有家庭的负担，也没有亲人的牵挂。他每天自由自在地工作，晚上在星空下安然入睡。他把所有的时间都用来学习和提升自己，最终凭借自己的努力，在城里买了一间小房子。他依然无牵无挂，却比以前更加幸福。
Once upon a time, there was a young man named A Fu who lost his parents at a young age and lived alone. Though poor, he was carefree, without family burdens or worries about relatives. He worked freely every day and slept peacefully under the stars at night. He devoted all his time to learning and self-improvement, and finally, through his own efforts, bought a small house in the city. He remained carefree, but happier than before.
Usage
用来形容一个人没有牵挂，轻松自在的状态。
Used to describe a person's state of being without worries and feeling relaxed and free.
Examples
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他如今无牵无挂，可以安心养老了。
tā rújīn wú qiān wú guà, kěyǐ ānxīn yǎnglǎo le.
He is now free from worries and can enjoy his retirement in peace.
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他离开家乡，一个人在外打拼，无牵无挂，很自在。
tā líkāi gōngxiāng, yīgèrén zài wài dǎpīn, wú qiān wú guà, hěn zìzài.
He left his hometown and worked alone abroad, feeling very free and carefree.