慌 (huāng): để có được hoảng loạn

During the exam, I suddenly realized I hadn't brought a pen. I panicked, and my hands started trembling.

Speaking on stage for the first time, she saw so many people below and panicked so much that she almost forgot all her lines.

Don't panic. Let's call the police first, then figure out how to open the door.

Hearing a strange noise in the middle of the night, he was so panicked that he couldn't even find the light switch.