Possible Clues:

• The sheikh, by the sound of it, might get three times about a thousand so as to do this
• Show excitement, having invested a thousand in ambitious bet
• Show fear, heading for misfortune during winning series
• Shudder
• Show nervousness, maybe
• Shake slightly
• Mike tucking into triple shake
• Shudder when head of museum breaks three cups?
• Quake when young chorister crosses minister at first
• Shake a big drink to get male drunk