"Kevin, can you tell me what 'charming' means?"
Kevin looked at me with a look of complete despair. It was obvious that he did not know the answer, but I thought he might be able to make a guess.
"Kevin, it's okay for you to guess. Just take a stab at it."
Taking the pencil in his right hand, he swiftly brought it down and pierced a hole in his paper.
I guess my next lesson will have to be about idioms.