restlessness
['restlisnis]
n. 辗转不安, 烦躁不安, 不安定
例句与用法：
He was seized with a restlessness he could not account for.
他突然感到一阵莫明其妙的不安情绪。
An emotional state characterized by anxiety, depression, and restlessness.
焦虑以焦虑、悲观和不安为特征的情绪状态
详细释义：
n.
坐立不安; 心神不定; 无休止