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general::
Phrase(s): have one’s shoulder to the wheel [and] keep one’s shoulder to the wheel; pit one’s shoulder to the wheel
Fig. to do the hard work that needs to be done; to focus on getting a job done. • You won’t accomplish anything unless you put your shoulder to the wheel. • I put my shoulder to the wheel and finished the job quickly.
McGrawhill's American Idioms And Phrasal Verbs