"Resigned" or "quit" is used to describe the act of leaving a job, when the person has made a voluntary decision to depart from their employment. The term "resigned" is commonly used in formal or business contexts, while "quit" is more informal.

Example sentences in Engpsh with Chinese translations:

I have resigned from my job at the company. (我已经从公司辞去了工作。)
She quit her job to start her own business. (她辞去了工作，开始创办自己的公司。)
He tendered his resignation after only six months on the job. (他仅在工作六个月后就辞去了工作。)