fever pitch
US /ˈfiːvər pɪtʃ/
UK /ˈfiːvər pɪtʃ/

1.
高潮, 白熱化, 狂熱
a state of extreme excitement, emotion, or activity
:
•
The excitement reached fever pitch as the band took the stage.
樂隊上台時,興奮達到了高潮。
•
Negotiations reached a fever pitch just before the deadline.
談判在截止日期前達到了白熱化。