Dàjiā xìngtóu zhèng gāo de shíhòu, hūrán xià qǐ le yǔ.
Just when everyone was at the height of their excitement, it suddenly started to rain.
Tips
usage
兴头 often appears in the phrase 在兴头上 (zài xìngtóu shàng, 'to be in the midst of enthusiasm'). It captures a peak moment of excitement or engagement, typically short-lived.
