frayed
adjective uk/freɪd/ us/freɪd/
(CLOTH)
磨损的，脱线的
with the threads at the edge coming loose
frayed cuffs 磨损的袖口
(ANNOYED)
（心情）恼火的，焦虑的，沮丧的
used to describe someone's mood when they are feeling worried, upset, or annoyed
The whole experience left me with frayed nerves (= feeling worried). 整件事令我感到非常焦虑。