(one's) hands are tied
One is being prevented from acting, helping, or intervening as one should or desires to because of circumstances beyond one's control, such as rules, conflicting orders, or higher priorities. I'm sorry, I would love to approve your application, but my hands are tied by the regulations. The company stated that they have tried everything in their power to avoid pay cuts, but their hands are tied at this point. Believe me, we tried everything to keep that conglomerate from demolishing the old library. Our hands are tied now.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.