like: thất ngôn
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
thất ngôn * ☊ 
to waste ones breath, words * ☊
[ thất ] : (1) loss; (2) seven; house, wife
[ ngôn ] : speech, word, expression; (colloquial) to speak