[Asher lets out a loud sound, frustrated, but not totally irate.

He wants to make a point of this, to highlight how hypocritical it is for someone like Achilles to feel pissed about the cultural differences. Why then does he judge others so harshly by the rules of his own world?]

I'm not saying there's anything wrong with the way you speak, fundamentally...

I'm just saying that if you keep talking the way you do, you won't blend in at all. People might have trouble understanding you. You'll blow it, basically.