in full swing

US /ɪn fʊl swɪŋ/
UK /ɪn fʊl swɪŋ/
"in full swing" picture
1.

한창, 절정

at the peak of activity or progress; fully active or operational

:
The party was in full swing by the time we arrived.
우리가 도착했을 때 파티는 한창이었다.
Construction on the new building is now in full swing.
새 건물 공사가 이제 한창이다.