18:104 "[It is] they whose labour has gone astray in [the pursuit of no more than] this world's life, and who none the less think that they are doing good works:
Muhammad Asad (The Message Of Quran)
Dictionaries
Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
But they turned away [from Us], and so We let loose upon them a flood that overwhelmed the dams,* and changed their two [expanses of luxuriant] gardens into a couple of gardens yielding bitter fruit, and tamarisks, and some few [wild] lote-trees: