전치사 at

1. 여러개중 하나를 찍는 느낌 why are you staring at me?

Don't shout at me! She is laughing at me.

A boy thew an egg at me. This book is aimed at begginers. 2.

어떤 순간에 뭔가를 보는 순간 혹은 듣는.....