a matter of (something)

a matter of (something)

1. What is important is (doing something). It's a matter of sticking with the program in order to succeed.
2. (Something) is the main or consequential issue. With your reckless spending behavior, it's only a matter of time before you go broke. I don't care about the money—it's a matter of principle.
See also: matter, of

a matter of ˈdays, ˈmiles, ˈpounds, etc.

a particular number of days, miles, etc., especially when this number is small: Don’t worry, it’ll only be a matter of hours before he gets back.It will only cost us a matter of a few pounds.Travelling by boat could take us a matter of weeks.
See also: matter, of