Life is too short for this. 人生太短,做这种事划不来。 My time is too valuable to waste. 我的时间太宝贵了,浪费不起。 You can't turn back the clock. 你无法使时光倒流。 This will occupy all your time. 这会占用你整个时间。
My time is up. 我的时间到了。 We worked from dawn until dusk. 我们从早忙到晚。
Better late than never. 迟些做也总比完全不做强。