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...
this is none of your business!
!لا علاقة لك
Sie haben damit nichts zu tun!
Lei non si intrometta!
isto não lhe diz respeito!
вас не просили вмешиваться!