expression
it's no use; there's no point; it won't get you anywhere
Used to say that a situation is hopeless or that an action is futile. Often follows a conditional or a statement of what one might try.
今さら文句を言っても始まらない。
It's no use complaining now.
泣いていても始まらないから、前を向
Crying won't get you anywhere, so let's look forward.