like: ba tui
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
ba tui * ☊ 
patrol * ☊
[ ba ] : (1) three, tri-; (2) father; (3) wave, ripple
[ tui ] : [=tôi] I