It means you're not stupid. 说明你还不傻

197. I must be.
     看来是怕的
198. Good.
     很好
199. Why is that good?
     这好什么
200. It means you're not stupid.
     说明你还不傻
201. You've had this since dawn?
     这封信凌晨就到了
202. He sent it to me, not you.
     收信人是我，不是你
203. I've only shown it to you as a courtesy.
     我只是出于礼貌请你过目

来自《权力的游戏 第一季 第八集 Game of Thrones S01E08 奈德性命堪忧》第 200 行