make quick work of

busy work

Work or activity performed with the intention or result of occupying time, and not necessarily to accomplish something productive; routine work of low priority undertaken for the sake of avoiding idleness.

cannot make it

Cannot reach satisfactory or expected standards or do something competently; describes someone in a hopeless situation.

close enough for government work

Adequate; acceptable as government work, imperfect but not worth the time nor effort of improving.

crazy enough to work

Acknowledging that an idea, plan, or strategy seems foolish, implausible, or risky, yet might succeed precisely because of its unconventional or unexpected nature.

detective work

investigative research

dirty work

One or more unpleasant tasks, assignments, or employment duties, especially those of a disreputable or illicit nature.

do the work

To take part in social justice activism; to fight against racism, oppression, etc.

doctors make the worst patients

It is difficult to advise people on subjects that they are experts on.