"earn your keep" in Chinese (Simplified)
谋生证明自己的价值
Definition
通过劳动或做出贡献来获得生活所需，常用于指有人要通过努力才能得到食物或住宿等。
Usage Notes (Chinese (Simplified))
多为非正式用语，多用于指在某地（比如寄宿、养宠物等）需要通过劳动做出贡献。既可以字面指需要工作换取食宿，也可比喻为证明自身价值。口语和书面中都常见。
Examples
If you want to stay here, you need to earn your keep.
如果你想留在这里，你必须**谋生**。
On the farm, everyone has to earn their keep by helping out.
在农场，每个人都得通过帮忙来**谋生**。
The new employee wants to earn his keep quickly.
新员工想要尽快**证明自己的价值**。
You're not just living here for free—help out and earn your keep.
你不是白住在这里，帮忙一下，**证明自己的价值**。
She worked extra hours to really earn her keep at the company.
她加班就是为了在公司**证明自己的价值**。
Even the family dog has to earn his keep by guarding the house.
连家里的狗也要**证明自己的价值**，要看家。