B1
to hit, especially forcefully, and cause to move or fall
Dictionary examples:
The clumsy waiter knocked the soup bowl, creating a tsunami on the table. (0.0)
He knocked his phone into the toilet while taking a selfie. (0.0)
She knocked her coffee mug, creating modern art on her white shirt. (0.0)
She knocked her head against the wall as she fell. (21.6)
He accidentally knocked the vase off the table. (25.4)
She took a hammer and knocked a hole in the wall. (34.2)