留任的英文：
remain in office

参考例句：

The director hopes to remain in the saddle(ie in his job)for a few more years.
该董事希望再多留任几年.

He held over until his successor was appointed.
他留任到继任者被任命时为止。

remain是什么意思：
v. 剩下，余留；继续存在；留下，逗留；保持，仍是

Nobody wants to remain a beginner.
没有人愿意停留在新手级别。

The law should remain in force.
法律应当有效力。

Nothing remains but to draw the moral.
只要引出其中的教训就行了。

- Evacuate remaining ground staff.
-撤出地下室所有人

A tiny excavation may remain.
会留下一个小洞窟。