And they say: "When will this promise (i.e. Resurrection) be fulfilled, if

﴿وَيَقُولُونَ مَتَىٰ هَٰذَا ٱلۡوَعۡدُ إِن كُنتُمۡ صَٰدِقِينَ ﴾
[يسٓ: 48]

And they say: "When will this promise (i.e. Resurrection) be fulfilled, if you are truthful

﴿ويقولون متى هذا الوعد إن كنتم صادقين﴾ [يسٓ: 48]

Al Bilal Muhammad Et Al
Further they say, “When will this promise come to pass, if what you say is true?”

Ali Bakhtiari Nejad
And they say: when is this promise if you are truthful

Ali Quli Qarai
And they say, ‘When will this promise be fulfilled, should you be truthful?’

Ali Unal
And they say (intending mockery): "So, when is this promise (of Resurrection and Judgment), if you are truthful

Hamid S Aziz
And they say, "When will this threat come to pass, if you are truthful

John Medows Rodwell
And they say, "When will this promise be fulfilled, if what ye say be true

Literal
And they say: "When (is) that the promise, if you were truthful

Mir Anees Original
And they say, “When will the promise (be fulfilled) if you are truthful?”

Mir Aneesuddin
And they say, “When will the promise (be fulfilled) if you are truthful?”