let off on

let off on (someone or something)

To decrease the amount of pressure, either physical or figurative, applied to someone or something. Let off on the brakes a bit when you're coming to a red light—you don't want to come to a stop that fast. The Eagles refused to let off on the Patriots' offense for the entirety of the game. You should really let off on Steve for a while—his divorce has been really hard on him.
See also: let, off, on
Farlex Dictionary of Idioms.

let off on

Informal
To cause to diminish, as in pressure; ease up on: Let off on the gas so that we do not exceed the speed limit.
See also: let, off, on
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • let off on (someone or something)
  • erase
  • erase (something) from (something)
  • erase from
  • hold (one) at arm's length
  • keep (one) at arm's length
  • keep somebody at arm's length
  • keep someone at arm's length
  • keep someone or something at arm's length
  • give right arm