1. 以前的;从前的;一度的
One-time is used to describe something such as a job, position, or role which someone used to have, or something which happened in the past.
e.g. She''s 87 years old, and a one-time member of the Ziegfeld Follies...
她现年87岁,曾经是齐格菲尔时事讽刺剧团的成员之一。
e.g. The legislative body had voted to oust the country''s onetime rulers.
立法机构通过投票将该国的前度领导人赶下了台。