What are some idioms used in To Kill a Mockingbird?

Examples of Idioms

He said he was trying to get Miss Maudie’s goat, that he had been trying unsuccessfully for forty years, that he was the last person in the world MissMaudie would think about marrying but the first person she thought about teasing,
and the best defense to her was spirited offense, all of which we understood clearly.

Say nothing, and as sure as eggs he will become curious and emerge.

I drew a bead on him, remembered what Atticus had said, then dropped my fists and walked away, “Scout’s a cow—ward!” ringing in my ears.