(74) So they set out, until when they met a boy, he [i.e., al-Khiḍr] killed him. [Moses] said, "Have you killed a pure soul for other than [having killed] a soul? You have certainly done a deplorable thing."
— الترجمة الإنجليزية - صحيح انترناشونال
 74. Then they both proceeded, till they met a boy, and he (Khidr) killed him. Mûsâ (Moses) said: "Have you killed an innocent person who had killed none? Verily, you have committed a thing Nukr (a great Munkar - prohibited, evil, dreadful thing)!"
— الترجمة الإنجليزية
فَٱنطَلَقَا حَتَّىٰٓ إِذَا لَقِيَا غُلَٰمٗا فَقَتَلَهُۥ قَالَ أَقَتَلۡتَ نَفۡسٗا زَكِيَّةَۢ بِغَيۡرِ نَفۡسٖ لَّقَدۡ جِئۡتَ شَيۡـٔٗا نُّكۡرٗا

So they (both) went off until, when they (both) met a youth, then he killed him. He said, "Have you killed a most cleansed self without (his having killed another) self? Indeed you have already come with a (highly) maleficent thing."
— Dr. Ghali - English translation
فَٱنطَلَقَا حَتَّىٰٓ إِذَا لَقِيَا غُلَٰمٗا فَقَتَلَهُۥ قَالَ أَقَتَلۡتَ نَفۡسٗا زَكِيَّةَۢ بِغَيۡرِ نَفۡسٖ لَّقَدۡ جِئۡتَ شَيۡـٔٗا نُّكۡرٗا

Then they both proceeded, till they met a boy, he (Khidr) killed him. Musa (Moses) said: "Have you killed an innocent person who had killed none? Verily, you have committed a thing "Nukra" (a great Munkar - prohibited, evil, dreadful thing)!"
— Muhsin Khan - English translation
فَٱنطَلَقَا حَتَّىٰٓ إِذَا لَقِيَا غُلَٰمٗا فَقَتَلَهُۥ قَالَ أَقَتَلۡتَ نَفۡسٗا زَكِيَّةَۢ بِغَيۡرِ نَفۡسٖ لَّقَدۡ جِئۡتَ شَيۡـٔٗا نُّكۡرٗا

So they twain journeyed on till, when they met a lad, he slew him. (Moses) said: What! Hast thou slain an innocent soul who hath slain no man? Verily thou hast done a horrid thing.
— Pickthall - English translation
فَٱنطَلَقَا حَتَّىٰٓ إِذَا لَقِيَا غُلَٰمٗا فَقَتَلَهُۥ قَالَ أَقَتَلۡتَ نَفۡسٗا زَكِيَّةَۢ بِغَيۡرِ نَفۡسٖ لَّقَدۡ جِئۡتَ شَيۡـٔٗا نُّكۡرٗا

Then they proceeded: until, when they met a young man, he slew him. Moses said: "Hast thou slain an innocent person who had slain none? Truly a foul (unheard of) thing hast thou done!"
— Yusuf Ali - English translation
فَٱنطَلَقَا حَتَّىٰٓ إِذَا لَقِيَا غُلَٰمٗا فَقَتَلَهُۥ قَالَ أَقَتَلۡتَ نَفۡسٗا زَكِيَّةَۢ بِغَيۡرِ نَفۡسٖ لَّقَدۡ جِئۡتَ شَيۡـٔٗا نُّكۡرٗا

So they set out, until when they met a boy, al-Khidh r killed him. [Moses] said, "Have you killed a pure soul for other than [having killed] a soul? You have certainly done a deplorable thing."
— Sahih International - English translation
فَٱنطَلَقَا حَتَّىٰٓ إِذَا لَقِيَا غُلَٰمٗا فَقَتَلَهُۥ قَالَ أَقَتَلۡتَ نَفۡسٗا زَكِيَّةَۢ بِغَيۡرِ نَفۡسٖ لَّقَدۡ جِئۡتَ شَيۡـٔٗا نُّكۡرٗا

(18:74) Then the two went forth until they met a lad whom he slew, whereupon
Moses exclaimed: "What! Have you slain an innocent person without his having
slain anyone? Surely you have done a horrible thing."
— Abul Ala Maududi(With tafsir) - English translation
فَٱنطَلَقَا حَتَّىٰٓ إِذَا لَقِيَا غُلَٰمٗا فَقَتَلَهُۥ قَالَ أَقَتَلۡتَ نَفۡسٗا زَكِيَّةَۢ بِغَيۡرِ نَفۡسٖ لَّقَدۡ جِئۡتَ شَيۡـٔٗا نُّكۡرٗا

And so they travelled on. Then, when they met a young boy and the man killed him, Moses said, ‘How could you kill an innocent person? He has not killed anyone! What a terrible thing to do!’
— Abdul Haleem - English translation
فَٱنطَلَقَا حَتَّىٰٓ إِذَا لَقِيَا غُلَٰمٗا فَقَتَلَهُۥ قَالَ أَقَتَلۡتَ نَفۡسٗا زَكِيَّةَۢ بِغَيۡرِ نَفۡسٖ لَّقَدۡ جِئۡتَ شَيۡـٔٗا نُّكۡرٗا

So, they moved ahead until when they met a boy, he killed him (the boy). He (Mūsā) said, “Did you kill an innocent soul while he did not kill anyone? You have committed a heinous act indeed.”
— Mufti Taqi Usmani - English translation
فَٱنطَلَقَا حَتَّىٰٓ إِذَا لَقِيَا غُلَٰمٗا فَقَتَلَهُۥ قَالَ أَقَتَلۡتَ نَفۡسٗا زَكِيَّةَۢ بِغَيۡرِ نَفۡسٖ لَّقَدۡ جِئۡتَ شَيۡـٔٗا نُّكۡرٗا

So they proceeded until they came across a boy, and the man killed him. Moses protested, “Have you killed an innocent soul, who killed no one? You have certainly done a horrible thing.”
— Dr. Mustafa Khattab, The Clear Quran - English translation
فَٱنطَلَقَا حَتَّىٰٓ إِذَا لَقِيَا غُلَٰمٗا فَقَتَلَهُۥ قَالَ أَقَتَلۡتَ نَفۡسٗا زَكِيَّةَۢ بِغَيۡرِ نَفۡسٖ لَّقَدۡ جِئۡتَ شَيۡـٔٗا نُّكۡرٗا

So they proceeded until they came across a boy, and the man killed him. Moses protested, “Have you killed an innocent soul, who killed no one? You have certainly done a horrible thing.”
— Dr. Mustafa Khattab - English translation
Then they proceeded until they met a boy, and the man killed him. Moses said, “Did you kill an innocent soul who killed none? You have done something monstrous!”
— الترجمة الإنجليزية - مركز رواد الترجمة
74. After they disembarked from the ship they set out walking along the seashore, when they saw a young boy who was still not an adult playing with the other boys. Khidr killed him and Moses said to him: Did you kill a pure soul that is still a minor for no sin? You have really done something evil!!
— الترجمة الإنجليزية للمختصر في تفسير القرآن الكريم
And so the two went on until they met a certain young man. [The sage] slew him, whereupon Moses exclaimed: ‘Have you killed an innocent man with no cause of just retribution for murder? Foul indeed is that which you have perpetrated!’
— ترجمة معاني القرآن الكريم - عادل صلاحي