Related Clues:

• I won't help
• "This is unbearable!"
• 'It's just too much for me'
• Negative response to an invite
• That's out of the question
• "All booked up, sorry"
• I'm unable to assist
• "It's too hard for me!"
• It's impossible, note, to invest in new food e-tailer
• "It's too hard for me"
• Impossible to have an addition to rebuilt condo
• 'Sorry, wish I could help'
• Number above 100 plus 0? Not likely
• 'Sorry, it's impossible for me'
• It's impossible!