one-time

柯林斯词典

1. ADJ One-time is used to describe something which happened in the past, or something such as a job, position, or role which someone used to have. 以前的[journalism] [ADJ n]
The legislative body had voted to oust the country's onetime rulers. 立法机构已投票罢黜了该国以前的统治者们。
2. ADJ A one-time thing is made or happens only once. 一次性的[美国英语] [ADJ n]
...a one-time charge. …一次性收费。