Team Kakashi are stunned to learn that Sai's true mission is to kill Sasuke.  Naruto wants to believe that the smile Sai showed them was real, but there is a possibility that it was all an act.
How can you grin like that
after getting punched?!
Was gibt es da so zu grinsen, wenn
man dich eben noch so geschlagen hat?
Как ты ещё ухмыляешься,
когда тебе врезали?!