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general::
Phrase(s): keep tab(s) (on someone or something) [and] keep track (of someone or something)
Fig. to monitor someone or something; to follow the activities of someone or something. • I’m supposed to keep track of my books. • Try to keep tabs on everyone who works for you. • It’s hard to keep tabs when you have a lot of other work to do. • I can’t keep track of the money I earn. Maybe someone else is spending it.
McGrawhill's American Idioms And Phrasal Verbs