a sharp knock

Examples (10)

• Suddenly, there was a sharp knock at the door.
• She heard a sharp knock on the window, startling her.
• The detective announced his presence with a series of sharp knocks on the door.
• A sharp knock echoed through the empty hallway.
• He gave the door a sharp knock to ensure he was heard.
• We ignored the sharp knock at first, thinking it was just the wind.
• The sound of a sharp knock made her jump.
• There had been a sharp knock earlier, but no one was there when I checked.
• A repeated sharp knock eventually drew her to the front door.
• The postman's sharp knock always startled their dog.