Possible Clues:

• Cave
• Yield the answer
• Without hesitation diced cucumbers deteriorate
• Riff-raff seize posh Conservative then British give in
• Give way under pressure
• Be forced to yield
• Give way to something overpowering
• In the overturned bus there's a hundred with it inside to die
• Gives in under pressure, capitulates
• Give in, knuckle under