beat against (someone or something)
To repeatedly strike a person or thing. Quit beating against the door, I'm coming! The rain has been beating against our roof for hours, and I'm starting to worry that we'll have a leak. The hiker had frostbite after the freezing wind beat against his cheeks for days.
beat against someone or something
to strike against someone or something. The wind beat against the sides of the house. Max beat against Lefty's jaw with his quick jabs.