like: bé cái nhầm
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
bé cái nhầm * ☊ 
make a mistake * ☊
[ bé ] : little, small, tiny, young (before the name of a child)
[ cái ] : (1) [CL for most inanimate objects, isolated events]; (2) object, thing; (3) female; (4) main, principle; (5) solid substances in soup (as opposed to nước, the liquid, broth)
[ nhầm ] : to make a mistake; wrong
[ cái ] : piece