beat
Battere is the Italian word for beat. It can be used in a variety of contexts, such as in music to indicate the rhythm, in sports to denote a win or loss, or in general to mean defeat or overcome. For example, "Il cuore batte forte" means "The heart beats strongly."
May I knock on the door?
This sentence is a polite way to ask permission to knock on the door. 'Battere' in this context means 'to knock'.
The heart started to beat faster.
Here, 'battere' translates into 'to beat', talking about the physical action of the heart. This usually indicates excitement or fear.
You can't beat his scores.
In this sentence, 'battere' is used in a competition context, meaning 'to beat' or 'to surpass' someone else's performance or score.