nervousness
n. 神经质；[心理] 神经过敏；紧张不安
例句
He tried to hide his nervousness.
他试图掩饰他的惶恐不安。
《牛津词典》
She laughed to cover her nervousness.
她笑了，想以此来掩饰自己紧张的心情。
In her nervousness she stumbled over her words.
她因紧张说话结结巴巴的。
