plow on plow on /plaʊ ˈɒn/

verb

1. [American] Strive and make an effort to reach a goal  ( labour [Canadian, British] , tug , plow on [American] , drive , labor [American] , push )
   strive and make an effort to reach a goal
    She tugged for years to make a decent living
   She tugged for years to make a decent living
    We have to push a little to make the deadline!
   We have to push a little to make the deadline!
    She is driving away at her doctoral thesis
   She is driving away at her doctoral thesis