Possible Clues:

• Move like a drunk
• Be about to fall now for one using Twitter
• On the brink and in France covered by broken tree
• Where driver begins, note, on surface of road to hesitate?
• Hesitate in start of course before short academic period
• Be unbalanced?
• Uncertainly move infant in discomfort? Not hot, however
• Be on the precipice
• The hollowed out tree about to wobble
• Tease falling