like: khẩu giao
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
khẩu giao * ☊ 
oral sex * ☊
[ khẩu ] : (classifier for guns)
[ giao ] : to entrust, bestow, deliver, join, exchange, communicate