bất đắc chí 
disappointed, frustrated, bitter [ bất ] : (1) not, non-, un-; (2) type of card game
[ đắc ] : to obtain, get
[ chí ] : (1) will, volition; (2) to, up to
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
bất đắc chí disappointed, frustrated, bitter