AT is used to show the direction of or towards sb/sth(向着/朝着):
1. What are you staring at?
2. He pointed a gun at her.
3. Somebody threw paint at the prime minister.
AT is used to show the direction of or towards sb/sth(向着/朝着):
1. What are you staring at?
2. He pointed a gun at her.
3. Somebody threw paint at the prime minister.
