highly strung

Từ điển Oxford Advanced Learner 8th

ˌhighly ˈstrung [highly strung] BrE NAmE (BrE) (NAmE ˌhigh-ˈstrung) adjective
(of a person or an animal)nervous and easily upset
•a sensitive and highly-strung child
•Their new horse is very highly strung.
compare ↑nervous
See also: ↑high-strung