work at

work at
    v 1: to exert effort in order to do, make, or perform something;
         "the child worked at the multiplication table until she had
         it down cold" [syn: {work at}, {work on}]
    

34 Moby Thesaurus words for "work at":
      be employed, carry on, carry on business, conduct, do, do business,
      employ, engage in, exercise, follow, follow a trade, go in for,
      have a job, keep up, labor, moonlight, practice,
      practice a profession, prosecute, pursue, set up shop,
      specialize in, stay employed, tackle, take on, take to, take up,
      toil, transact business, undertake, use, wage, work, work for