let up on


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Related to let up on: let it go

let up (on someone or something)

To become more lenient or less forceful with someone or when doing something. They are not going to let up on us in the second half, so we better be ready to battle with them. I know we've been hard on Erin, but I feel like she'll go back to her old ways if we let up now. Let up on the accelerator a little, you're going to burn out the engine.
See also: let, someone, up
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

let up on

To be or become more lenient with: Why don't you let up on the poor child?
See also: let, on, up
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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