What is the meaning of idiom she hammered in your head?

The idiom "she hammered it into your head" means that someone repeated something over and over again until it was fully understood or memorized. It emphasizes the forceful and repetitive nature of the instruction or information being conveyed.

Here's a breakdown:

* Hammer: Represents the forceful and repetitive action of hammering something into a surface.

* Head: Symbolizes the mind or understanding.

Example:

"My teacher hammered the multiplication tables into our heads until we could recite them backwards."

This idiom suggests that the teacher repeated the multiplication tables many times, emphasizing their importance and ensuring the students understood and memorized them.