72:11 Just as [we do not know how it happens] that some from among us are righteous, while some of us are [far] below that: we have always followed widely divergent paths.
Muhammad Asad (The Message Of Quran)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
Now had We so willed, We could have shown them clearly to thee, so that thou wouldst know them for sure as by a visible mark:* but [even so,] thou wilt most certainly recognize them by the tone of their voice.* And God knows all that you do, [O men;]