máy cầm tay 
handheld device [ máy ] : (classifier for computers, radios); engine, machine, motor
[ cầm ] : (1) to hold, take hold of, arrest, capture; (2) to pawn; (3) guitar, lute, musical instrument; (4) bird
[ tay ] : (1) hand, sleeve; (2) person, party, group
Most Common Compounds Set 1:
Most Common Compounds Set 2 :