A student is caught cheating with his cell-phone, and Chiaki is super-mad! He calls all the students to an assembly and angrily threatens to destroy the phone of anybody who's caught with one on school grounds.  The students begin to get angry...
I do retain some doubt about 
your methods, though.
لكني لا أزال أحتفظ بشكوك بشأن أسلوبك
Eure Methode war allerdings
etwas zweifelhaft …
Pero tengo mis dudas sobre el método.
Oui, même si la méthode
reste discutable.
Anche se ho delle riserve
sul modo in cui l'avete fatto!
Embora eu tenha lá as minhas 
dúvidas acerca do seu método!
Хотя меня всё же смущают ваши методы.