当家做主 be the master of one's own house
Explanation
指掌握家务，有权对家事做出决定。比喻在单位或国家中居主人翁地位，能够独立自主地处理事情。
To have control over household affairs and the authority to make decisions about them. Figuratively, it means to be in a leading position in a unit or country, able to handle things independently and autonomously.
Origin Story
小明从小就渴望拥有自己的工作室，当家做主，不再受制于人。他大学毕业后，凭借自己的努力，终于开设了自己的工作室，从此可以独立自主地完成自己的设计作品，并决定工作室的发展方向。工作室的成功，离不开他多年的努力和坚持，也离不开他当家做主的决心和魄力。他明白，当家做主不仅仅是拥有权力，更是一种责任和担当。在未来的道路上，他将继续努力，创造更大的价值。
Since childhood, Xiaoming had longed to have his own studio, to be his own boss and no longer be at the mercy of others. After graduating from university, he finally opened his own studio through his own efforts. From then on, he could independently and autonomously complete his own design works and decide the direction of the studio's development. The success of the studio was inseparable from his many years of hard work and persistence, and also from his determination and courage to be his own boss. He understood that being in charge was not just about having power, but also about responsibility and commitment. On the road ahead, he will continue to work hard and create greater value.
Usage
形容一个人在某个领域或组织中拥有自主权和决定权。常用于工作、生活等场景，表示一个人有权做决定、有能力掌控局面。
Describes a situation where someone has autonomy and decision-making power in a certain field or organization. Often used in work and life scenarios to express that someone has the right to make decisions and the ability to control the situation.
Examples
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他终于当家做主了，可以自己决定公司未来的发展方向。
tā zhōngyú dāngjiā zuòzhǔ le, kěyǐ zìjǐ juédìng gōngsī wèilái de fāzhǎn fāngxiàng.
He is finally in charge and can decide the future direction of the company.
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经过多年的努力，他终于在公司当家做主，实现了人生理想。
jīngguò duōnián de nǔlì, tā zhōngyú zài gōngsī dāngjiā zuòzhǔ, shíxiàn le rénshēng lǐxiǎng.
After years of hard work, he is finally in charge of the company and has realized his life ideals.