I tried but couldn't keep tabs on the phone calls.

He could be someone sent to keep tabs on them.

I kept close tabs on him, like you told me to.

And, perhaps more important, they keep tabs on what the other team is doing.

Too many things could happen to kids if we didn't keep tabs on them.

Our job is to keep tabs on men like the general.

Don't think I didn't keep tabs on what you got up to in later years.

Were they sent by the council to keep tabs on him?

"I'm just trying to keep tabs on everyone so I know what to put in the book."

I made it my business to keep tabs on you.