on top of
US /ɑːn tɑːp ʌv/
UK /ɑːn tɑːp ʌv/

1.
selain, di samping
in addition to; besides
:
•
On top of all that, he had to work overtime.
Selain semua itu, dia harus bekerja lembur.
•
She has a full-time job on top of raising three children.
Dia punya pekerjaan penuh waktu selain membesarkan tiga anak.
2.
menguasai, mengendalikan
fully in control of (a situation)
:
•
She's always on top of her deadlines.
Dia selalu menguasai tenggat waktunya.
•
He needs to get on top of his finances.
Dia perlu menguasai keuangannya.