first or last   (TTS發音)

at one time or another遲早

    You may as well do this now，for you will have to do it first or last. 這件事你最好現在做，因為遲早你總得做。

    You may do it first or last；I'm sure he doesn't care as long as you do it. 那件事你早做遲做都可以；我相信，只要你做，他是不會在乎早晚的。