再四

zàisì
  1. repeatedly
  2. over and over again

CEDICT

  1. (literary) again and again; repeatedly
  2. again and again; repeatedly

Wiktionary

屡次，一次又一次。《红楼梦．第六○回》：「也曾央託中保谋人，再四求告。」《文明小史．第四九回》：「虽说开了一座大客栈，有此资本，每日房钱伙食，要垫出去的，只得向住店客人再四商量，每人先借几块钱，将来在房饭钱上扣算。」也作「再三」、「再三再四」。

重編國語辭典

Entry Composition

1 再 zài
  1. again; once more; re-
  2. further; beyond this point of time
  3. (before an adjective) more
  4. then (after sth, and not until then)
  5. no matter how ... (followed by an adjective or verb, and then (usually) 也 yě or 都 dōu for emphasis)
  6. (used to introduce additional information, as in 再则 zàizé, 再就是 zàijiùshì etc)
  7. (literary) to reappear; to reoccur
2 四 sì
  1. four
  2. 4

Containing this entry

再三再四 zàisānzàisì
  1. repeatedly
  2. over and over again

Related entries

一再 yīzài repeatedly
下週一再見。

See you again next Monday.

Source: Tatoeba

一次又一次 yīcìyòuyīcì
  1. repeatedly
  2. over and over again
三番两次 sānfānliǎngcì repeatedly (idiom)
亟 qì
  1. repeatedly
  2. frequently
来回来去 láihuíláiqù
  1. repeatedly
  2. back and forth again and again
View more