Hai cercato la traduzione di have no idea what he's talking about da Inglese a Malese

wondered what he was talking about
tertanya tanya apakah

i have no idea
saya kekurangan idea

no idea what it is
tidak tahu apakah ia

in fact, they have no idea.
(tidak!) bahkan mereka tidak menyedari (hakikatnya yang sebenar).

and he ['iesa (jesus), son of maryam (mary)] shall be a known sign for (the coming of) the hour (day of resurrection) [i.e. 'iesa's (jesus) descent on the earth]. therefore have no doubt concerning it (i.e. the day of resurrection). and follow me (allah) (i.e. be obedient to allah and do what he orders you to do, o mankind)! this is the straight path (of islamic monotheism, leading to allah and to his paradise).
dan sesungguhnya nabi isa menjadi tanda kedatangan hari kiamat, maka janganlah kamu ragu-ragu tentang (hari kiamat) itu, dan turutlah (petunjukku); inilah jalan yang lurus.