Quran english an naml 71

ويقولون متى هذا الوعد إن كنتم صادقين

Wayaqooloona mata hathaalwaAAdu in kuntum sadiqeen

 
Sahih International
And they say, “When is [the fulfillment of] this promise, if you should be truthful?”
Muhsin Khan
And they (the disbelievers in the Oneness of Allah) say: “When (will) this promise (be fulfilled), if you are truthful?”
Pickthall
And they say: When (will) this promise (be fulfilled), if ye are truthful?
Yusuf Ali
They also say: “When will this promise (come to pass)? (Say) if ye are truthful.”
Shakir
And they say: When will this threat come to pass, if you are truthful?
Dr. Ghali
And they say, “When will this promise (come to pass), in case you are sincere?”