Related Clues:

• ''__ be a stranger''
• '— be shy'
• Quote continues
• "That's a no-no!"
• 'That's a no-no!'
• Rising at first, but getting smaller overall
• '___ even think about it!'
• 'Please stop!'
• 'I strongly advise against that'
• “I forbid it!”
• Forbidding word
• Contracted caution
• U-turn from do
• Advice to a risk taker
• "___ walk on the grass"