in full swing

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

en pleno apogeo, a todo gas

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

:
The party was in full swing by the time we arrived.
La fiesta estaba en pleno apogeo cuando llegamos.
Construction on the new building is now in full swing.
La construcción del nuevo edificio está ahora en pleno apogeo.