5

YUSUFALI : No knowledge have they of such a thing, nor had their fathers. It is a grievous thing that issues from their mouths as a saying what they say is nothing but falsehood!

PICKTHAL : (A thing) whereof they have no knowledge, nor (had) their fathers, Dreadful is the word that cometh out of their mouths. They speak naught but a lie.

SHAKIR : They have no knowledge of it, nor had their fathers; a grievous word it is that comes out of their mouths; they speak nothing but a lie.

M& HILALI : No knowledge have they of such a thing, nor had their fathers. Mighty is the word that comes out of their mouths [i.e. He begot (took) sons and daughters]. They utter nothing but a lie.