catflap.org Online Dictionary Query

  being a matter of /bˌiːɪŋ ɐ mˈatəɹ ɒv/
  gehend um, sich handelnd um, sich drehend um
     Synonyms: being about, concerning, being at issue/stake
  
   see: be about sth., concern sth., be a matter of sth., be at issue/stake, been about, concerned, been a matter of, been at issue/stake, The question is whether …, It is about security and fundamental rights., For them it is a matter of not being recognized., What is at issue now is not only an investigation into these events, but also …, It's a matter of life and death., It's neck or nothing., His life is at stake.