I dropped to my knees and looked under the bed.
I dropped to my knees as if I'd been hit between the eyes.
One day she would drop to her knees before him.
He went so far as to drop to his knees.
She dropped to her knees to get a better look.
John looked around for a moment or two, then dropped to his knees without having to be asked.
She dropped to her knees and had a better look.
She dropped to her knees, trying to get into a sitting position.
But instead he dropped to his knees before me and took hold of both my arms.
The other men in the room had all dropped to their knees.
Idiomy