酣畅

酣暢
hānchàng
  1. unrestrained
  2. cheerful lack of inhibition, esp. for drinking or sleeping
  3. to drink with abandon

CEDICT

Entry Composition

1 酣 hān intoxicated
2 畅 chàng
  1. free
  2. unimpeded
  3. smooth
  4. at ease
  5. free from worry
  6. fluent