like: khỏi trả phí tổn
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
khỏi trả phí tổn * ☊ 
free of charge * ☊
[ khỏi ] : (1) to avoid, escape from, not help but (do sth); (2) to recover (from illness)
[ trả ] : (1) to pay, repay, pay back; (2) to return, give back
[ phí ] : to waste, squander; expenses
[ tổn ] : (1) to damage, harm; (2) expensive, costly
[ trả ] : pay
[ phí ] : charge