一清二楚 yī qīng èr chǔ

DEFINITIONS

  1. to be very clear about sth (idiom)

CHARACTERS

一 yī
HSK 1
one; a, an; alone
清 qīng
HSK 3
clear, pure, clean; peaceful
二 èr
HSK 1
two; twice
楚 chǔ
HSK 3
name of feudal state; clear