May I knock on your door to ask a question?
I accidentally knocked over my glass of water and made a mess.
The loud knock on the front door made me jump in my seat.
My brother likes to knock on my bedroom door to wake me up in the morning.
The carpenter used a hammer to knock the nails into the wood.
I heard a knock on the door, and when I opened it, my friend was standing there.
She couldn't help but knock on her neighbor's door and ask to borrow some sugar.
He knocked over the vase by accident and quickly picked up the broken pieces.
I always knock on wood when I say something superstitious to avoid bad luck.
I have to knock off early today, as I have a doctor's appointment in the afternoon.
I knocked on the door twice but nobody answered, so I assumed they're not home.
I was so nervous about the interview, my knees were knocking together.
My neighbor accidentally knocked over my flower pot and apologized profusely.
The boxer managed to knock out his opponent in the third round with a powerful uppercut.
You should knock before entering someone's office, it's a matter of respect.
It's polite to knock before entering someone's office, to avoid interrupting them unexpectedly.
I accidentally knocked over my coffee cup and it spilled all over my keyboard - what a mess!
You can't just knock your opponent out in one punch; you have to wear them down first.
I heard a knock on the door and rushed to answer it, only to find nobody there.
As soon as the doctor gave me the results of my tests, it felt like a knock to the gut.
When she saw the strange man constantly knock on her neighbor's door, she called the police.
The loud knock on the door startled the sleeping dog, causing it to bark wildly.
He couldn't focus on his work with the constant knock of the construction next door.
Despite my knocking, my roommate refused to answer the door and let me in.
The coach told the team to knock it off with the arguing and focus on winning the game.
As an accomplished pianist, I know that precision and timing are everything; one misplaced knock on the keys and the entire melody falls apart.
It was a great relief to hear the knock on the door and see the delivery man with my important package; I had been waiting anxiously for days.
The pounding rhythm of the drums and the raucous knock of the guitars filled the concert hall with excitement and energy; the audience went wild.
As a seasoned detective, I knew that the innocent-looking knock on the door could mean danger or even death; I answered with caution.
Despite the relentless knock of the rain on the roof, I managed to fall into a deep, peaceful sleep wrapped up in my cozy blankets.