烦躁 (fán zào): jittery; twitchy; fidgety

It rained heavily for three days in a row, and I was stuck at home unable to go out; I grew more and more irritable.

The subway was twenty minutes late, and the car was stuffy and crowded; the passengers around all seemed very agitated.

In the month before the college entrance exam, he studied late into the night every day; the endless exercises made him increasingly restless.

The sound of electric drills from the renovation upstairs went on from morning until noon, making it impossible for me to take a nap; I felt extremely irritable.

The project deadline was approaching, but his colleagues kept interrupting him to discuss unrelated matters; he threw down his mouse in frustration.