to keep tabs on somebody or something
01
to closely observe someone or something to stay informed about their activities or whereabouts
![to [keep] tabs on {sb/sth} definition and meaning](https://cdn.langeek.co/photo/44252/original/?type=jpeg "to [keep] tabs on {sb/sth} definition and meaning")
Collocation
例
Parents often keep tabs on their children's online activities to ensure safety.
The detective kept tabs on the suspect to gather evidence.
