Jumpei goes back to the ballet studio and works hard at the basics before he is finally allowed to learn the choreography for the pas de deux for the ballet festival.
and I'm knee-deep in basic training.
وبأنّني منهمك جدّاً في التّدريب على الأساسيّات
Das Grundlagentraining
hat mir das klargemacht.
Al practicar las bases lo comprendí.
Al practicar las bases lo he pillado.
L'ho capito sulla mia pelle 
quando ho provato il pezzo.
e entrei só até o joelho
na técnica básica.
и база у меня хромает на обе ноги.