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...
then instituted even harsher conditions,
ثمّ وضع شروطاً أكثر صرامة
und noch strengere
Regeln aufgestellt,
y luego puso condiciones más estrictas
e continuando a proporre 
condizioni sempre più restrittive,
aí impôs condições mais severas
затем поставил условия жёстче,