Why not give Leo the dose of his own medicine? ［误译］　为什么不把利奥自己配的药给回他? ［原意］　为什么不对利奥“以牙还牙”? ［说明］　give one the dose of his own medicine意为“报复”、“以牙还牙”、“以眼还眼”、“以其人之道还治其人之身”。 它与dose one with his own physic和an eye for an eye（或eye for eye）同义。