沆瀣一氣 hàng xiè yī qì

DEFINITIONS

  1. to act in collusion (idiom); in cahoots with
  2. villains will look after one another

CHARACTERS

沆 hàng a ferry; fog; flowing
瀣 xiè sea mist; vapor
一 yī
HSK 1
one; a, an; alone
氣 qì air, gas, steam, vapor; spirit