Judy was frankly lazy over anything that needed brainwork.
'Very impressive brainwork, Detective Drew.'
brainwork in American English
(ˈbreinˌwɜːrk)
noun
1.
work or effort consisting principally or largely of mental activity, thought, imagination, etc., as opposed to physical or manual work
2.
the effort of thought, reasoning, planning, or the like; ordered or directed thinking
Solving problems is a form of brainwork
Word origin
[1835–45; brain + work]This word is first recorded in the period 1835–45. Other words that entered Englishat around the same time include: basic, grandstand, hot plate, placement, protein
Examples of 'brainwork' in a sentence
brainwork
After all that brainwork, you'll need to refuel.
Times, Sunday Times (2014)
This water revolution will require decades of funding and brainwork.