nervousness

Her voice trembled slightly, revealing her nervousness about speaking in front of a large audience.

(Chinese) 她的声音微微颤抖，透露出她在大型观众面前演说的紧张。

To overcome his nervousness before the interview, he practiced deep breathing exercises.

(Chinese) 为了克服面试前的紧张，他练习了深呼吸运动。