You don't know how. 你不知道怎么做

357. and he really needs antibiotics.
     需要注射抗生素
358. I should start a central line.
     我应该做个中♥央♥静脉插管
359. So start one.
     那就做呗
360. You don't know how.
     你不知道怎么做
361. I've never done one.
     我从没做过
362. Well, you know what that means.
     你知道那意味着
363. Can't we just page someone else?
     就不能找个其他人吗

来自《实习医生格蕾 第一季 第一集 Grey's Anatomy S01E01》第 360 行