dip one's finger in the soup and have a taste; be covetous
Related Translations:
染指: (比喻分取非分的利益) take a share of sth. one is not entitled to; have a hand in; meddle in (for gain); poke one's nose in; come in for a share; encroach on 短语和例子妄图染指别国资源 attempt to encroach on the
染指垂涎: dip one's finger and water for sth.; be covetous; try to get a coveted share of what is not one's due