keyed up

• keyed up: 興奮している

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• Lounds was keyed up and his driving was fast and jerky as he crossed the Loop eastward to his apartment overlooking Lake Michigan.
  （ラウンズは興奮していた。環状線を横切り、ミシガン湖を見渡す自分の部屋へと無茶苦茶に車を走らせた。）
  Thomas Harris, Red Dragon, Berkley Books, ch. 16