like: kín tiếng
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
kín tiếng * ☊ 
keep mum about where one is * ☊
[ kín ] : secret, private, confidential
[ tiếng ] : (1) language, sound, voice, reputation; (2) hour