as stiff as a poker

• • 直挺挺的；十分坚硬
  • (风度、举止)拘谨;生硬;刻板[亦作 as stiff as a pike staff 或 as a ramrod]
  • 严厉的；生硬的；刻板的；笔直的
  • 生硬的，呆板的，刻板的