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.
There's no point in going on
about that here...
.لا جدوى من مناقشة هذا الأمر هنا
Es bringt nichts, wenn wir
hier herumstehen und jammern.
No sirve para nada que nos 
pongamos a discutir sobre eso.
No sirve de nada que nos
 pongamos a discutir sobre eso.
È inutile continuare a rimuginarci sopra.
Não tem por que discutirmos isso aqui...
Нет смысла сейчас обсуждать это...