74th Ayah from Surah Al Kahf
Sahih International
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."
Abdul Haleem
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!’
Mohsin Khan/Hilali
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)!"
Taqi Usmani
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.”
Pickthall
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
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!"