he tripped and fell down a flight of stairs holding a nail gun. 他拿着射钉枪从楼梯上摔了下来

155. - I can't see. - It's ok.
     -我看不见了 -会没事的
156. We need you to be very still, Mr...
     千万别乱动 先生
157. Cruz, Jorge Cruz.
     克鲁兹 豪尔赫·克鲁兹
158. he tripped and fell down a flight of stairs holding a nail gun.
     他拿着射钉枪从楼梯上摔了下来
159. Somehow he managed to miss a blood vessel
     怎么会 钉子居然没有伤到血管
160. That's a minor miracle. Optic nerve's been affected.
     这是个奇迹 不过视神经受到了影响
161. Can you feel this? Numbness on his right side.
     能感觉到吗 右边身体无知觉

来自《实习医生格蕾 第一季 第四集 Grey's Anatomy S01E04》第 158 行