vị thành niên 
minor (person), juvenile [ vị ] : (1) [CL for people], polite term for a person; (2) taste, flavor
[ thành ] : (1) citadel, fortress, wall; (2) to, into; (3) to succeed; (4) to become; (5) honest, sincere
[ niên ] : year
Most Common Compounds Set 1:
Most Common Compounds Set 2 :