6:63 Say, "Who rescues you from the darkness of the land and the sea?," you call on Him openly and secretly: "If You save us from this, we will be of the thankful!"
Edip-Layth (Quran: A Reformist Translation)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
and [that] they [who deny the truth] might never taunt thee with any deceptive half-truth* without Our conveying to thee the [full] truth and [providing thee] with the best explanation.*