disquietude
n. 不安,憂慮
1. feelings of anxiety that make you tense and irritable
The lines of his fastidious face showed a vague disquietude.
那過分講究的面孔上的表情是一種隱隱的不安.
The disquietude of his air, the somewhat apprehensive impatience of his manner, surprised me.
他神情不安, 急躁的舉止中有點擔憂, 這使我吃了一驚.