tie (one's) hands
To prevent one from behaving or acting in a certain way. I really wish I could help you get a refund, but the company's strict returns policy has tied my hands. If the government would stop tying our hands with these burdensome regulations, our economy would actually have a chance to flourish for once!
tie someone's hands
1. Lit. to use rope or string to tie someone's hands together. The robber tied my hands and I couldn't call the police.
2. Fig. to prevent someone from doing something. I'd like to help you, but my boss has tied my hands. Please don't tie my hands with unnecessary restrictions. I'd like the freedom to do whatever is necessary.