Possible Clues:

• Trembled
• Shivered in fear or revulsion
• Did shake obtained from milk container spill all round?
• Where there's milk in the shed made one tremble
• Trembled violently as with horror
• What gave the milk in the shed gave one the creeps
• The source of the milk in the building that shook
• Souonds like what the seikh did to get the milk from there in the shed
• Trembled, shivered