one-time

柯林斯詞典

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. 立法機(jī)搆已投票罷黜了該國(guó)以前的統(tǒng)治者們。
2. ADJ A one-time thing is made or happens only once. 一次性的[美國(guó)英語(yǔ)] [ADJ n]
...a one-time charge. …一次性收費(fèi)。