like: trọng yếu
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
trọng yếu * ☊ 
important, essential, vital * ☊
[ trọng ] : heavy, important; to think high of, hold in esteem
[ yếu ] : weak, feeble
[ yếu ] : weak
OXF3000: 
trọng yếu 
substantial