一而再,再而三 yī ér zài , zài ér sān

DEFINITIONS

  1. again and again

CHARACTERS

一 yī one; a, an; alone
而 ér and; and then; and yet; but
再 zài again, twice, re-
再 zài again, twice, re-
而 ér and; and then; and yet; but
三 sān three