AND IF THEY [who are bent on denying the truth] give thee the lie, [O Muhammad, remember that, long] before their time, the people of Noah and [the tribes of] Ad and Thamud gave the lie [to their prophets],

If they treat thy (mission) as false, so did the peoples before them (with their prophets),- the People of Noah, and 'Ad and Thamud;

If they deny thee (Muhammad), even so the folk of Noah, and (the tribes of) A'ad and Thamud, before thee, denied (Our messengers);

And if they reject thee, already before them did the people of Noah and 'Ad and Thamud reject (prophets),

And if they deny you, [O Muhammad] - so, before them, did the people of Noah and 'Aad and Thamud deny [their prophets],