expand on

US /ɪkˈspænd ɑːn/
UK /ɪkˈspænd ɑːn/
"expand on" picture
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.