You can still recognize them from their voice and say, "Oh yeah, that's Joe," but you can't look at their face and know who it is, right?
여전히 목소리로는 누구인지 짐작 할 수 있어서, 목소리를 듣고는, '아, 조(Joe) 이구나' 하고 얘기하겠지만, 얼굴을 보고는, 누구인지 알아 보지 못하는 것이죠.