单腿跪地
in a position in which the knee of one leg is touching the floor
He went down on bended knee to ask her to marry him. 他单腿跪地向她求婚。
He expects politicians to go to him on bended knee for approval.
She prayed on bended knee for forgiveness.
They got down on bended knee and begged him to withdraw his candidacy.
John proposed to me on bended knee in the middle of Central Park.
See also: bend verb (CURVE)