high-strung /ˈhaɪˈstrʌŋ/
  (a.)高度緊張的,容易興奮的
  high-strung /-ˈstrəŋ/ 形容詞
  High-strung a. Strung to a high pitch; spirited; sensitive; as, a high-strung horse.
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  high-strung
       adj : being in a tense state [syn: edgy, highly strung, in
             suspense(p), jittery, jumpy, nervy, overstrung,
              restive, uptight]