pester (one) about (someone or something)
To annoy, irritate, or badger one continually or relentlessly about someone or something. I wish you would stop pestering me about getting a new bicycle—your birthday will be here soon enough! I mentioned offhandedly that I might be able to fix Janet up with Mark a couple weeks ago, and she's been pestering me about him ever since.
pester someone about someone or something
to bother someone about someone or something. Please don't pester me about Frank. Stop pestering me about money.