Yokoi-san is trying her best to listen in class, but she can't help but watch as Seki-kun is lining up erasers next to her. Seki-kun! Are thoses dominoes?!
You really shouldn't be 
doing that right now.
Du solltest echt jetzt damit aufhören.
Es mejor que no sigas con eso.
Es mejor que no sigas con eso.
Tu ferais mieux d’arrêter !
Dovresti veramente fermarti.
Você não devia fazer essas 
coisas num momento assim.