Meaning of “plough through sth” - Learner’s Dictionary

plough through sth

phrasal verb with plough UK (US plow) uk us /plaʊ/ verb [ I, T ]

to finish what you are reading, eating, or working on, although there is a lot of it:

I had to plough through the whole report.

(Definition of “plough through sth” from the Cambridge Learner’s Dictionary © Cambridge University Press)