plod through

plod through (something)

To continue to make progress through something at a slow and laborious but consistent pace. A: "How's that report coming?" B: "I'm still plodding through it. I should be finished by tomorrow." I know she's been plodding her way through all the applications we received.
See also: plod, through
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

plod through something

to work one's way through something laboriously. I just plodded through my work today. I had no energy at all. This is certainly a lot of papers to have to plod through.
See also: plod, through
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in classic literature ?
'Oh, yes, that's all he is good for: he can plod through the service well enough; but he has not a single idea beyond it.'
I TOO can remember the long plod through the snow to school.
Neither could the disciplinary approaches, from straightforward historical surveys, like Elizabeth Cromley's over-structured plod through 150 years of American domestic architecture, to Stephen Walker's hyper-intellectual analysis of Bataille's concept of alteration, written in the autistic style favoured by a certain school of architectural theory.