go down on one’s knees

go Verb

— To move; to move away from a place; to move farther from the person who is talking; to move from one place to another place. I go to the seashore every summer. Kathy goes to the seashore every summer, too. I went to the seashore last year. She's gone to the seashore. I'm going to the seashore next year.

down Preposition

— Toward the earth, away from the sky. What goes up on earth must fall down. — Toward the bottom. — Towards a smaller price, number, amount, etc. I'm going to buy a computer once prices go down.

down Noun

— Down is soft feathers or a covering of soft feathers. That pillow is full of down.

on Preposition

— positioned at the upper surface of, touching from above The apple is on the table. — at the date of Tim was born on the 4th of July. — along, forwards (continuing an action) drive on, rock on — about, dealing with the subject of I have a book on history. There was a World Summit on the Information Society a few weeks ago. — touching; hanging from I have no money on me at the moment. I would like to eat the fruit on the trees. — because of, due to He was arrested on suspicion of bribery. I contacted Joanne on a hunch that she would know about it. The stock price increased on news of a new product.

on Adjective

— If something is on, it is active, functioning or operating. The television is on. The lights are on, so it is very bright.

knee Noun

— Part of the leg between the thigh and the shin. I hurt my knee in football.

knee Verb

— To hit someone or something with the knee. He kneed me in the leg.