再 zài
再（zài）means “再 (zài): adverb marking a repetition that has not yet happened (future 'again')”. 再 goes before the verb to say an action will be repeated or continued in the future, e. Formation: 再 + 动词（+ 数量）
再 (zài): adverb marking a repetition that has not yet happened (future 'again')
HSK2Formation
再 + 动词（+ 数量）
Explanation
再 goes before the verb to say an action will be repeated or continued in the future, e.g. 再来一次 ('do it once more'). It often appears with planned or requested actions, like 明天再说 ('let's talk again tomorrow'). Contrast with 又, used for repetition that has already occurred.
Examples
Note
再 = future repetition; 又 = past repetition. 他又来了 (came again) vs 请再来 (please come again).
FAQ
再 — what does it mean and how is it used?
再 (zài): adverb marking a repetition that has not yet happened (future 'again'). 再 goes before the verb to say an action will be repeated or continued in the future, e.g. 再来一次 ('do it once more'). It often appears with planned or requested actions, like 明天再说 ('let's talk again tomorrow'). Contrast with 又, used for repetition that has already occurred.
再 — how do you form it?
再 + 动词（+ 数量）
再 — any usage notes?
再 = future repetition; 又 = past repetition. 他又来了 (came again) vs 请再来 (please come again).