busman's holiday
noun
bus·man's holiday ˈbəs-mənz- 
: a holiday spent in following or observing the practice of one's usual occupation
Example Sentences
Recent Examples on the Web More like a busman's holiday: a tour of duty rather than a scenic tour. 
James Harbeck, The Week, 5 Mar. 2022
James Harbeck, The Week, 5 Mar. 2022 Word History
First Known Use
1893, in the meaning defined above
- lead pencil
- lead peroxide
- misconstruales
- misconstruals
- misconstruct
- misconstructed
- misconstructing
- misconstruction
- misconstructions
- misconstructs
- misconstrue
- misconstrued
- misconstrues
- misconstruing
- miscontent
- miscontented
- miscontenting
- miscontentment
- miscontents
- miscook
- miscooked
- miscooking
- miscooks
- miscopied
- miscopies