宴えんもたけなわ

expression, noun

party in full swing; party at its peak

Describes a lively party or banquet at its most enjoyable moment. Often used in set phrases like 宴もたけなわですが to signal a transition or closing.

• 宴えんもたけなわですが、そろそろお開ひらきにしましょう。

  The party is in full swing, but let's call it a night soon.

• 宴えんもたけなわの頃ころ、彼かれは突とつ然ぜん歌うたい出だした。

  When the party was at its peak, he suddenly started singing.