Ours is a mix, like most of yours, apparently.
Brown and Black Belts are Mister or Miss ____ Black Belts are Sifu ______ .
Some people are more formal than others.
I can't imagine calling my Sifu by his first name, most of the time I don't call him Sifu, but, "SIR" is a habit. Although, the 17yr old Black Belt doesn't like it much when I call her Ma'am...
Brown and Black Belts are Mister or Miss ____ Black Belts are Sifu ______ .
Some people are more formal than others.
I can't imagine calling my Sifu by his first name, most of the time I don't call him Sifu, but, "SIR" is a habit. Although, the 17yr old Black Belt doesn't like it much when I call her Ma'am...