不当一回事 bù dàng yī huí shì

DEFINITIONS

  1. not regard as a matter (of any importance)

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
当 dàng
HSK 3
bear, accept, undertake; just
一 yī
HSK 1
one; a, an; alone
回 huí
HSK 1
return, turn around; a time
事 shì
HSK 2
affair, matter, business; to serve; accident, incident