Hit the ground running

Meaning

To begin a task or a new job with immediate energy and efficiency. It means you skip the slow warm-up phase and start working hard from the very first second.

Professional, energetic

Used in a sentence

• After three days of training, the team was ready to hit the ground running on the new project.
• She was so well prepared that she hit the ground running on her first day as CEO.
• We have a short timeline, so we need to hit the ground running on Monday morning.