press one's case

press one's case (third-person singular simple present presses one's case, present participle pressing one's case, simple past and past participle pressed one's case)

1. To repeat or redouble one's arguments for something.
   • 2011, Ben Aaronovitch, Rivers of London, Gollancz, published 2011, page 382:

     Looking back, St John was willing to admit that perhaps he might have pressed his case a little too fervently, but he could have sworn she was a willing partner, or at least not objecting too strenuously.

   • 2014 September 27, Jeremy Bullmore, The Guardian:

     So, quite understandably, many people are more hesitant than they need be about pressing their case for more money.