Give someone a once-over and Keep tabs on

Keep tabs on and give someone a once-over are semantically related. In some cases you can use "Keep tabs on" instead a verb phrase "Give someone a once-over".

Keep tabs on verb - Keep a record on or watch attentively.

Give someone a once-over and keep tabs on are semantically related. Sometimes you can use "Give someone a once-over" instead a verb "Keep tabs on".