一旦 yī dàn

HSK 5

DEFINITIONS

  1. in case (sth happens)
  2. if
  3. once (sth happens, then...)
  4. when
  5. in a short time
  6. in one day

CHARACTERS

一 yī
HSK 1
one; a, an; alone
旦 dàn
HSK 5
dawn; morning; day