“辞去职务”常见的英文表达有 resign from one's post 或 quit one's position，也可以说 step down from a position。以下为具体示例：
Resign from one's post：
He decided to resign from his post as manager.（他决定辞去经理的职务。）
After much deliberation, she chose to resign from her post in the company.（经过深思熟虑，她选择辞去在公司里的职务。）
Quit one's position：
He intends to quit his position at the end of this month.（他打算在本月底辞去职务。）
She finally quit her position due to personal reasons.（由于个人原因，她最终辞去了职务。）
Step down from a position：
The CEO announced that he would step down from his position next year.（首席执行官宣布他将于明年辞去职务。）
After a series of controversies, he was forced to step down from his high-profile position.（在一系列争议之后，他被迫辞去了那个备受瞩目的职务。）