disquietude
n. 不安,忧虑
1. feelings of anxiety that make you tense and irritable
The lines of his fastidious face showed a vague disquietude.
那过分讲究的面孔上的表情是一种隐隐的不安.
The disquietude of his air, the somewhat apprehensive impatience of his manner, surprised me.
他神情不安, 急躁的举止中有点担忧, 这使我吃了一惊.