like: chắc khó
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
chắc khó * ☊ 
unlikely (to happen) * ☊
[ chắc ] : probably, certainly, sure; must be, expect; to be firm; firmly, certainly, surely
[ khó ] : hard, difficult
[ chắc ] : solid