like: hai mươi mốt
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
hai mươi mốt * ☊ 
twenty one * ☊
[ hai ] : two; both
[ mươi ] : ten (in 20, 30, 40, etc.)
[ mốt ] : mode, style, fashion; one (in compound numbers); day after tomorrow
2000VIET hai mươi mốt twenty-one