what's the use (of doing something)(redirected from what is the use of doing something)
what's the use (of doing something)
What reason is there (to do something); why should I bother (doing something)? A: "OK, so you didn't do so well on the test. Just study a bit harder next time!" B: "What's the use? I'm just not any good at math. What's the use of making your bed each morning when you're just going to mess up the sheets again at night?
See also: use