on top of
US /ɑːn tɑːp ʌv/
UK /ɑːn tɑːp ʌv/
1.
in addition to; besides
:
•
On top of all that, he had to work overtime.
•
She has a full-time job on top of raising three children.
2.
fully in control of (a situation)
:
•
She's always on top of her deadlines.
•
He needs to get on top of his finances.