BACK IN(TO) (THE) HARNESS
найдено в "Dictionary of American idioms"
back in(to) (the) harness: translation*back in(to) (the) harnessFig. back doing one's job. (*Typically: be \back in(to) (the) harness; get \back in(to) (the) harness.) •I don't look forward to getting back into the harness next Monday.
•When my vacation is over, I have to get back into harness the very next day.
•I'm not looking forward to having to get back in harness after my trip abroad.