染指垂涎 rǎn zhǐ chuí xián

DEFINITIONS

  1. lit. dirty finger, mouth watering (idiom); fig. greedy to seize sth

CHARACTERS

染 rǎn dye; be contagious; infect
指 zhǐ finger, toe; point, indicate
垂 chuí let down; suspend, hand; down
涎 xián saliva