improve on
US /ɪmˈpruːv ɑːn/
UK /ɪmˈpruːv ɑːn/

1.
meningkatkan, memperbaiki
to make something better than it was before
:
•
We need to improve on our customer service.
Kita perlu meningkatkan layanan pelanggan kita.
•
Can you improve on this design?
Bisakah Anda memperbaiki desain ini?