swing into (something)
To begin or enter into some state or action with great speed, enthusiasm, or intensity. The city has begun swinging into full-scale preparations for the 200th anniversary parade. We should be ready to swing into production next month.
swing into something
to enter something by swinging. The monkey swung into its cage, and I quickly locked the cage door. I grabbed a rope and swung into the cave, where my pursuer couldn't see me.