Ach mein Gott!
Translating from Germain litterally as "Oh my God!". Note the backthroat sound in ‘ach’, same as in ‘ich’, ‘Loch Ness Monster’, and similar to ‘Chanukah’(note the 'C'). Like 'Kahnukah' though without the full 'K'..
“Ach mein Gott!!” Herr Scholtzer exclaimed.