Absolutely. I was talking to a teacher and they said the translations were easy to spot because they were so good, far beyond what the kid was normally doing. I then showed them the same kind of prompt plus something like "write this as an X year old French student with only moderate grasp of ..." and it was far more plausible.

I noticed how well it understands general parlance after it created marketing style copy for me and I told it to sound "less wanky" and it made it much more to the point.