dig your heels in

dig (one's) heels in

To cling stubbornly to one's beliefs, position, or wishes. Please let me tell my side of the story before you dig your heels in on this, OK? I told Grace she can't go, and now she's dug her heels in as if this party is the most important thing in her life.
See also: dig, heel
Farlex Dictionary of Idioms.

ˌdig your ˈheels in

(informal) refuse to do something or to change your views: A number of councils have dug their heels in over the government’s request to reduce spending. OPPOSITE: give way (to somebody/something)
See also: dig, heel
Farlex Partner Idioms Dictionary
See also:
  • dig (one's) heels in
  • dig heels in
  • dug
  • dig in (one's) heels
  • dig in heels
  • dig in your heels
  • dig (deep) into (one's) pocket(s)
  • dig down
  • dig (something)
  • dig this
References in periodicals archive
But they don't, because digging requires effort; you need to dig your heels in and start shoveling, working your muscle, something most aren't willing to do.
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