You currently can't, at least on xbox you can't
No you can not Turn off swearing in MW3. Swearing is a part of all Call Of Duties and Trearch or Infinity Ward will not turn swearing off.
Yes you can turn off explit content on mw3. It only turns off the blood and swearing.
No you can not
yes in the options
No you cannot.
You cant
No -_-
yes in options you can turn off all graphic content and swearing
You... cant!!1 THE HORROR THE HORROR
you can't you noob just turn off the sound on your tv
Sadly no, they have not implemented that function yet, that is a great idea though.
Well Actually you can't turn of Blood and Language that's why it's Rated M for Mature.