Mifune has increased the training for the junior high and high school students.  To sweeten the deal, he has offered both groups a valuable prize, and it’s going to be big.
All of those balls were tough.
Pero a pesar de todo, todos le 
pegaron muy bien a esas pelotas...
Lo más difícil era lo de devolver las pelotas.
Todas as bolas foram fortes.