Everyone decides to go to beach for "training".  While they're having a good time, the Autoscorers attack, and Maria is forced to fight them despite her weakened state.
So you need to practice controlling it!
لذا علينا أن نتمرّن على التحكُّمِ بأنفسنا
Wir müssen also trainieren,
es zu kontrollieren!
¡Por eso deberían practicar
 para controlarlos!
¡Por eso deberíais 
practicar para controlarlos!
D’où l’importance de l’entraî…
Quindi dovreste allenarvi a controllarvi!
Por isso precisam 
treinar o autocontrole!