Can one
'iysh (eesh)
a man as an individual or a male person; often used as an adjunct to a more definite term (and in such cases frequently not expressed in translation)
go
halak (haw-lak')
to walk (in a great variety of applications, literally and figuratively)
upon hot coals
gechel (geh'-khel)
from an unused root meaning to glow or kindle; an ember -- (burning) coal.
and his feet
regel (reh'-gel)
a foot (as used in walking); by implication, a step; by euphem. the pudenda -- be able to endure, according as, after, coming, follow, (broken-)foot(-ed, -stool), great toe, haunt, journey, leg, piss, possession, time.
not be burned
kavah (kaw-vaw')
to prick or penetrate; hence, to blister (as smarting or eating into) -- burn.