improve on

US /ɪmˈpruːv ɑːn/
UK /ɪmˈpruːv ɑːn/
"improve on" picture
1.

verbeteren, optimaliseren

to make something better than it was before

:
We need to improve on our customer service.
We moeten onze klantenservice verbeteren.
Can you improve on this design?
Kun je dit ontwerp verbeteren?