keep tabs on

US /kiːp tæbz ɑːn/
UK /kiːp tæbz ɑːn/
"keep tabs on" picture
1.

in de gaten houden, bijhouden

to monitor or keep track of someone or something

:
It's important to keep tabs on your spending.
Het is belangrijk om je uitgaven in de gaten te houden.
The police are keeping tabs on the suspect.
De politie houdt de verdachte in de gaten.