on bended knee

prepositional phrase2

1. •
   In a kneeling position.

   • On bended knee full long he prayed. — 1898
2. •
   Supplicatingly, imploringly, suppliantly.

   • Mr. Skinner said airports would not have to rely as much on their airline tenants to approve expansion. "They will be able to build new gates without going to an airline on bended knee," he said. — 1990