like: chưa thể kiểm chứng
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
chưa thể kiểm chứng * ☊ 
unconfirmed, unverified * ☊
[ chưa ] : not yet, yet (to happen)
[ thể ] : (1) body, group; (2) ability, capability; (3) card
[ kiểm ] : to count, control, check, verify
[ chứng ] : disease, ailment, symptom, sickness, illness; proof, evidence