2:146 They unto whom We have vouchsafed revelation aforetime know it as they know their own children: but, behold, some of them knowingly suppress the truth -
Muhammad Asad (The Message Of Quran)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
[and] who are impelled to rise* from their beds [at night] to call out to their Sustainer in fear and hope; and who spend on others out of what We provide for them as sustenance.