in full swing
US /ɪn fʊl swɪŋ/
UK /ɪn fʊl swɪŋ/

1.
berlangsung meriah, berlangsung penuh
at the peak of activity or progress; fully active or operational
:
•
The party was in full swing by the time we arrived.
Pesta sudah berlangsung meriah saat kami tiba.
•
Construction on the new building is now in full swing.
Pembangunan gedung baru sekarang sudah berlangsung penuh.