stay on top of

US /steɪ ɑn tɑp ʌv/
UK /steɪ ɑn tɑp ʌv/
"stay on top of" picture
1.

to remain informed about something; to keep up to date with something

:
It's important to stay on top of current events.
She always tries to stay on top of her emails.
2.

to maintain control over a situation or task

:
He needs to stay on top of his finances.
It's hard to stay on top of everything when you're so busy.