like: khảo đính
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
khảo đính * ☊ 
revise * ☊
[ khảo ] : to do research; to examine, test (students); torture, extort
[ đính ] : to enclose, attach