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

1.
auge, ponto culminante, frenesi
a state of extreme excitement, emotion, or activity
:
•
The excitement reached fever pitch as the band took the stage.
A emoção atingiu o auge quando a banda subiu ao palco.
•
Negotiations reached a fever pitch just before the deadline.
As negociações atingiram o auge pouco antes do prazo final.