work at, work on -- (to exert effort in order to do, make, or perform something; "the child worked at the multiplication table until she had it down cold")
dictionary, definition of, free online dictionary, online dictionary, English dictionary, dict, diction, dictonary, glossary, define, definitions, meaning, word of the day, spelling, pronunciation, dictio, dictiona, dic, dicti, dictionar
(TTS Sound)