欲壑难填 yù hè nán tián

DEFINITIONS

  1. bottomless pit of desire (idiom); insatiable greed
  2. carnal cravings are never satisfied and are a main obstruction on the path to enlightenment

CHARACTERS

欲 yù desire, want, long for; intend
壑 hè bed of torrent, narrow ravine
难 nán difficult, arduous, hard; unable
填 tián fill in, fill up; make good