2. Go all out: Go: Go. go to all lengths
3, vigorous pace: describe the vigorous pace, heroic and mighty, showing a good mental outlook.
4, scrambling: scrambling for fear of falling behind.
5, a hundred steps through the poplar: a hundred steps away to shoot the leaves of the willow. Describe archery or marksmanship as very clever.
6, light and healthy: strong body and flexible movements.
7, energetic: describe lively and vigorous, full of life.
8. Happy: describe teenagers as healthy, lively and energetic.
nine