kick into high gear

1. To enter into a higher level of speed, activity, or intensity. Now that we're out of pre-production, the film is really kicking into high gear.

2. To begin doing something at a higher speed, intensity, or level of enthusiasm. In this usage, a noun or pronoun can be used between "kick" and "into." The city is kicking into high gear in its preparations for the anniversary parade. I'm going to meet with my team on Saturday so we can kick this project into high gear.