(64:18) Knower of the unseen and the witnessed, the Exalted in Might, the Wise.
Muhammad Taqi-ud-Din al-Hilali and Muhammad Muhsin Khan,
(64:18) All-Knower of the unseen and seen, the All-Mighty, the All-Wise.
Mohammed Marmaduke William Pickthall
(64:18) Knower of the Invisible and the Visible, the Mighty, the Wise.
Abdullah Yusuf Ali
(64:18) Knower of what is open, Exalted in Might, Full of Wisdom.
Mohammad Habib Shakir
(64:18) The Knower of the unseen and the seen, the Mighty, the Wise.
Dr. Ghali
(64:18) The Knower of the Unseen and the Witnessed, The Ever-Mighty, The Ever-Wise.
Ali Unal
(64:18) (And He is) the Knower of the unseen and the witnessed, the All-Glorious with irresistible might, the All-Wise.
Amatul Rahman Omar
(64:18) He is the Omniscient of the unseen and the seen. (He is) the All-Mighty, the All-Wise.
Literal
(64:18) Knower (of) the unseen/supernatural (future), and the testimony/presence , the glorious/mighty ,the wise/judicious.423
Ahmed Ali
(64:18) The knower of the unknown and the known, all-mighty and all-wise.
A. J. Arberry
(64:18) Knower He of the Unseen and the Visible, the All-mighty, the All-wise.
Abdul Majid Daryabadi
(64:18) Knower of the unseen and the seen, the Mighty, the Wise.
Maulana Mohammad Ali
(64:18)-
Muhammad Sarwar
(64:18) He knows the unseen and the seen. He is the Majestic and All-wise.
Hamid Abdul Aziz
(64:18) The Knower of the unseen and the seen, the Mighty, the Wise.
Faridul Haque
(64:18) The All Knowing of all things hidden and visible, the Most Honourable, the Wise.
Talal Itani
(64:18) The Knower of the Unseen and the Seen, the Almighty, the Wise.
Ahmed Raza Khan
(64:18) The All Knowing of all things hidden and visible, the Most Honourable, the Wise.
Wahiduddin Khan
(64:18) God is the Knower of the unseen and the seen: He is the Almighty, the Wise One.
Safi-ur-Rahman al-Mubarakpuri
(64:18) All-Knower of the unseen and seen, the Almighty, the All-Wise.
Ali Quli Qarai
(64:18) Knower of the sensible and the Unseen, the All-mighty, the All-wise.
Hasan al-Fatih Qaribullah and Ahmad Darwish
(64:18) He is the Knower of the Unseen and the Visible, the Almighty, the Wise.
That is translated surah At Tagabun ayat 18 (QS 64: 18) in arabic and english text, may be useful.