Hayate starts his new job at the cafe Shun's sister Asami runs. But then Asami asks him to help Shun with his studying, seeing that her brother is not making any progress on his own...
I bet someone like him has 
never had a bad grade, ever.
أنا واثق بأنّ شخصاً مثله لم يحصل
في حياته على علامة سيّئة
Apuesto que nunca reprobó un examen.
Seguro que no ha suspendido
ni un examen en su vida.
Aposto que alguém como ele
nunca tirou nota baixa na vida.
Наверняка он никогда
не проваливал тесты.