And in their challenge to the occurrence of punishment they say: "

﴿وَيَقُولُونَ مَتَىٰ هَٰذَا ٱلۡوَعۡدُ إِن كُنتُمۡ صَٰدِقِينَ ﴾
[النَّمل: 71]

And in their challenge to the occurrence of punishment they say: " When will that promised punishment come to pass if indeed you are declaring the truth

﴿ويقولون متى هذا الوعد إن كنتم صادقين﴾ [النَّمل: 71]

Dr Kamal Omar
And they say: “When will this promise (be fulfilled), if you are truthful

Dr Laleh Bakhtiar
And they say: When is the promise if you had been ones who are sincere

Dr Munir Munshey
They say, "If you are honest tell us, when will that promise come about

Edward Henry Palmer
They say, 'When shall this threat be if ye do tell the truth

Farook Malik
They also say: "When will this promise be fulfilled if what you say be true

George Sale
And they say, when will this threat be accomplished, if ye speak true

Maududi
They also say: "Tell us when this threat will come to pass, if you are truthful