like: vô ích
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
vô ích * ☊ 
useless, profitless, in vain, no avail * ☊
[ vô ] : (1) in-, im-, (negative prefix); (2) in, at, on; (3) to go into, enter [= vào]
[ ích ] : to use, make use of; profit, use
OXF3000: 
vô ích 
useless