The Class President believes that the size of the boobs and intelligence are inversely proportional, so she thinks Galko is living a very carefree life.
But, she changes her mind when she sees the bulletin board Galko was intensely staring at.
I'm sure you probably wrote 
something even deeper.
أثق بأنّكِ كتبتِ مقالة تفوقها عمقاً... على الأرجح
Du hast sicher etwas viel
Tiefgründigeres verfasst.
Creo que tu tema es más profundo que el mío.
Creo que tu tema
es más profundo que el mío.
Le tien était sûrement
plus passionnant.
Sono sicura che anche il tuo sia profondo... 
Anzi, forse anche più del mio.
A sua é ainda mais profunda, imagino eu.