同义词是till，中文意思是conj. 到……时，直到……为止，prep. 到……时，直到……为止直到（某处）

你就等着直到看见它吧。好看极了。Just wait till you see it. It's great.

我目送汽车，直到看不见为止。I watched the car until it was out of sight.

富兰克林直到午夜过后很久才露面。Franklin did not turn up until well after midnight.