expand on
US /ɪkˈspænd ɑːn/
UK /ɪkˈspænd ɑːn/

1.
mengembangkan, menjelaskan lebih lanjut
to add more details or information to something that has already been said or written
:
•
Could you please expand on your last point?
Bolehkah anda mengembangkan poin terakhir anda?
•
The speaker promised to expand on the topic in the next session.
Penceramah berjanji akan mengembangkan topik itu dalam sesi seterusnya.