When Bruno states that he and Shmuel are like twins, why does Shmuel reply "a little bit"?
Due to their racial difference. Shmuel knows about Bruno and how he is German (opposition)
The Boy In The Striped Pajamas:
Shmuel says that they are like twins a little bit. Bruno cut his hair, so now he looks like Shmuel.
Shmuel says that they are twins only a little bit because Shmuel is Jewish and Bruno is German.