How to pronounce “foul”(adv) in English

Oh, that's a foul. Next foul.

So I started in an era where it was encouraged to do this stuff because it was like no harm, no foul, you know.

of this, outside the UN, outside of, not under UN auspices, and sometimes international wars cry foul, but who, who can say that it wasn't right to end the Bosnian genocide with NATO

The Jesters turf, once grass, was now reduced to an oozy and foul-smelling black muck.