but knowing for sure might help give you some closure. 但知道确切的原因 可以帮你做个了断

596. My father was a mean drunk who couldn't hold a job.
     我父亲一直是个酒鬼 连工作都保不住
597. That's what killed him.
     他就是因此而死的
598. I understand that you're angry,
     我理解你的愤怒
599. but knowing for sure might help give you some closure.
     但知道确切的原因 可以帮你做个了断
600. It was awfully sudden, Alice.
     确实太突然了 艾丽丝
601. Sudden?
     突然
602. He's been killing himself for years.
     这些年来他一直在自寻死路

来自《实习医生格蕾 第一季 第九集 Grey's Anatomy S01E09》第 599 行