nag at

nag at someone (about someone or something)

to pester someone about someone or something. Don't keep nagging at me about her. Stop nagging at me!
See also: nag
References in periodicals archive ?
According to the dictionary, to nag at someone means to be a constant source of discomfort or worry, which is not very nice at all.
Aspell-Science will retain an option to purchase Highpoint's remaining interest in NAG at any time up to June 11, 2001 at a purchase price of $5.
Table 1 Comparison of Average Preoperative Measurements, PAG Versus NAG aTS A Patients SST UCLA Preop PAG Avg [+ or -] St Dev 5.