(78:18) The Day the Horn is blown and you will come forth in multitudes
Muhammad Taqi-ud-Din al-Hilali and Muhammad Muhsin Khan,
(78:18) The Day when the Trumpet will be blown, and you shall come forth in crowds (groups);
Mohammed Marmaduke William Pickthall
(78:18) A day when the trumpet is blown and ye come in multitudes,
Abdullah Yusuf Ali
(78:18) The Day that the Trumpet shall be sounded, and ye shall come forth in crowds;
Mohammad Habib Shakir
(78:18) The day on which the trumpet shall be blown so you shall come forth in hosts,
Dr. Ghali
(78:18) The Day when the Trumpet will be blown; then you will come up in troops,
Ali Unal
(78:18) The Day when the Trumpet is blown and you all come forth in hosts.
Amatul Rahman Omar
(78:18) The day when the trumpet will be blown, and you will come in large troopes.
Literal
(78:18) A day/time the horn/bugle/instrument be blown in, so you come (in) groups/crowds
Ahmed Ali
(78:18) The day the trumpet blast is sounded you will come in hordes;
A. J. Arberry
(78:18) the day the Trumpet is blown, and you shall come in troops,
Abdul Majid Daryabadi
(78:18) It is a Day whereon the trumpet will be blown, and ye will come in multitudes.
Maulana Mohammad Ali
(78:18)-
Muhammad Sarwar
(78:18) On that day the trumpet will be sounded and you will come (to Us) in huge groups.
Hamid Abdul Aziz
(78:18) The day on which the trumpet shall be blown so you shall come forth in hosts,
Faridul Haque
(78:18) The day when the Trumpet will be blown you will therefore come forth in multitudes.
Talal Itani
(78:18) The Day when the Trumpet is blown, and you will come in droves.
Ahmed Raza Khan
(78:18) The day when the Trumpet will be blown you will therefore come forth in multitudes.
Wahiduddin Khan
(78:18) On that Day when the trumpet shall be sounded, you shall come in droves,
Safi-ur-Rahman al-Mubarakpuri
(78:18) The Day when the Trumpet will be blown, and you shall come forth in crowds.
Ali Quli Qarai
(78:18) the day the Trumpet will be blown, and you will come in groups,
Hasan al-Fatih Qaribullah and Ahmad Darwish
(78:18) the Day that the Horn is blown, and you shall come in crowds
That is translated surah An Naba’ ayat 18 (QS 78: 18) in arabic and english text, may be useful.