hằng nhát gan 
coward [ hằng ] : (1) usually, habitually; (2) the Moon
[ nhát ] : (1) short time; (2) to cut, stab, slash; (3) cowardly, shy, timid
[ gan ] : (1) liver; brave, courageous, tough; (2) palm (of hand), sole (of foot)
Most Common Compounds Set 1:
Most Common Compounds Set 2 :