"No, absolutely, positively, no. Non, nein, nyet, nee."
Harry couldn't help but laugh. "How do you do that?" he murmured.
"Long hours in front of a mirror. Now, is this settled?" He stood and swept up his cloak to head for the door.
Under his breath, Harry sighed, "For now." He frowned again. "What the bloody hell language is nee?"
http://www.fanfiction.net/s/4732275/1/Mephisto_Waltz