They ask you O Muhammad about the Bi-horned, Zul-Qarnain! Say to them:

﴿وَيَسۡـَٔلُونَكَ عَن ذِي ٱلۡقَرۡنَيۡنِۖ قُلۡ سَأَتۡلُواْ عَلَيۡكُم مِّنۡهُ ذِكۡرًا ﴾
[الكَهف: 83]

They ask you O Muhammad about the Bi-horned, Zul-Qarnain! Say to them: "I will give you an account of his actions and the occurrences constituting his history in which he equally excelled

﴿ويسألونك عن ذي القرنين قل سأتلو عليكم منه ذكرا﴾ [الكَهف: 83]

Dr Kamal Omar
People ask you about the (Muslim-ruler) Dhul-Qarnain. Say: “Soon I recite to you about him a resume.”

Dr Laleh Bakhtiar
And they will ask thee about Dhu-l Qarnayn. Say: I will recount to you a remembrance of him

Dr Munir Munshey
They inquire about Dhul Qurnain. Say, "Here, I will tell you about him

Edward Henry Palmer
And they will ask thee about Dhu 'l Qarnain, say, 'I will recite to you a mention of him

Farook Malik
O Muhammad, they ask you about Zul-Qarnain. Say "I will recite to you some of his story

George Sale
The Jews will ask thee concerning Dhu'lkarnein. Answer, I will rehearse unto you an account of him

Maududi
(O Muhammad), they ask you about Dhu al-Qarnayn. Say: "I will give you an account of him