Mifune drinks hard, yells, and he is the coach of the losers.  His methods are ancient and he pushes the campers to the mental and physical limit.  But there may be a method to his madness.
They should be training hard 
in the mountains right now.
Según el plan, deben estar recibiendo 
un entrenamiento especial en la montaña.
Deberían estar pasándolas canutas en la montaña con su entrenamiento especial.
Eles devem estar num treinamento
 intensivo na montanha.