Rick begins his mock battle with the F-rank Crusher, Raster Diarmut. Raster thinks the gap in ability between him, a genius, and Rick, a late-starting newbie, is all too clear. But as the battle progresses, Rick's training begins to show through.
so I'm impressed that he continued 
teaching for two years.
‫لذا أنا منبهر لأنه واصل التدريس لمدة عامين.
pero le enseñó dos años seguidos.
pero le enseñó dos años seguidos.
então me impressiona que ele tenha
ensinado durante os dois anos.
я удивлён, что он учил
 Рика целых два года.