Sasuke leaves the village in order to obtain power from Orochimaru. Naruto and his friends learn that Sasuke is in danger and decide to go after him. To keep this a secret, only Naruto and Shikamaru set out on this mission, but on the way the duo are accosted by masked ANBU shinobi!
I think he's probably out
doing some training.
أظنّه في الخارج يتدرّب على الأرجح
Der wird nur heimlich
etwas trainieren.
Tomémoslo como si estuviera entrenando.
Tomémoslo como si estuviera 
realizando algún entrenamiento.
Si starà allenando da qualche parte.
Eu acho que ele deve estar treinando.