Well, I'm afraid the choice isn't up to you. 这恐怕就由不得你了

455. There are serious complications.
     这样下去 会有严重的并发症
456. And this is about your health.
     事关你的健康
457. But I'd rather be thin.
     但我宁愿要苗条
458. Well, I'm afraid the choice isn't up to you.
     这恐怕就由不得你了
459. It's called Rasmussen's Encephalitis.
     这是拉斯马森脑炎
460. What it amounts to is that this side of her brain--
     就是说 她的这一半大脑
461. this part's all healthy, it's working perfectly.
     这半边完全健康 运作正常

来自《实习医生格蕾 第一季 第七集 Grey's Anatomy S01E07》第 458 行