no use, it's

it's no use

It is hopeless; there is no chance of this being successful. It's no use, I just can't figure out what's wrong with the car. A: "Come on, keep trying." B: "Oh, it's no use. I'll never be able to ride a bicicyle!"
See also: no, use
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

no use, it's

1. It's impossible; it can't succeed. For example, It's no use; these pieces just don't fit. [c. 1800]
2. Also, it's no use to man or beast. It's worthless, it serves no purpose, as in This car is so old it's no use to man or beast. Also see have no use for.
See also: no
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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