(Ancient) Greek To Me (джен)

'Who on earth taught you that?' Arthur narrowed his eyes, noticing the way Merlin suddenly looked more than a little bit shifty. 'I wouldn't think there were many tutors of the classics out in Ealdor.'
'Um...'
It was tragic, really, that every single person in the room knew what that tone of voice meant. It was the one Merlin had used when he'd mentioned being a Dragon Lord, or admitted to offering to trade his life for Arthur's on more than one occasion. It implied that Merlin suspected they wouldn't like the answer.