先后 xiānhòu early or late
early or late; first and last; priority; in succession; one after another
How to remember 先后: 先 first + 后 back = early or late.
Characters
How it is used
- 'One after another / in succession', and 'order of priority' - 先后发言 (xiānhòu fāyán) to speak one after another; 不分先后 (bù fēn xiānhòu) in no particular order.
- As an adverb it marks a sequence of events over time.
- Also a noun for sequence: 注意先后顺序 (zhùyì xiānhòu shùnxù) mind the order.