no use, it's

no use, it's idiom
  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.

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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