From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
toiled away /tˈɔɪld ɐwˈeɪ/
schwer gearbeitet, geschuftet, gerackert
Synonyms: worked hard, laboured, labored, slaved away, toiled, moiled, drudged, travailed
see: work hard, labour, labor, slave away, toil, toil away, moil, drudge, travail, working hard, labouring, laboring, slaving away, toiling, toiling away, moiling, drudging, travailing