Possible Clues:

• Your little brother comes within a mile to get involved
• Involve compiler coming back to grill in America
• Rile mob (anag.)
• Plunge into nett loss from bitter lemon mixer
• Involve in dispute
• Entangle ball in tree, when climbing
• Add false details, longing initially for the German to get into trouble
• Deeply involve (someone in something)
• Involve in trouble - rile mob (anag)
• Involve brother in tree climbing