"professional hobby" is a correct and usable phrase in written English.
It is used to describe a hobby that is pursued with a high level of skill or expertise, often to the point of being considered a profession or side job. Example: After years of practicing photography as a hobby, John turned it into a professional hobby by selling his photos to magazines and galleries.
"It addresses all niches out there: professional, hobby, social and political," he says.
I'm currently looking at my consultancy as a professional hobby through which I can meld my professional knowledge with my personal passion.
I am quite good, but have decided to keep this as a professional hobby.
"Really what I'm trying to do with Twice as Warm is build a sustainable model, a sustainable way of giving away new and unused winter clothing to people in need". The project is something of a professional hobby for Lieberman, a recent college graduate who works by day as a freelance web designer.
On Saturday night he added line cooking to his list of professional hobbies.
Here, data-pooling websites connect drone-users as either professional or hobby conservation scientists to working with more data than ever before.
NAPA, Calif., Oct. 24 Ken Still, a golf professional whose hobby is memorizing baseball, basketball, football and hockey statistics, had all the figures in his favor today as he led the $150,000 Kaiser open by two strokes.
Numerous comments were received from professional and hobby artists stating that they do not clean their brushes under the tap rather cleaning rags are used.
Both professional and hobby fashion designers alike can easily integrate technological advances into their work, and even non-designers like myself can take those Jams I made 20 years ago and program them to change from a bright color to a more tolerable, subtle hue with the press of a button.
This uncertainty forced the decision makers to think about vaccinating sub groups, e.g. differentiate in age and/or regions (e.g. the Northern part of the Netherlands was most susceptible at the end of 2007 and should be prioritized for vaccination [11]) and/or farm type (professional and/or hobby farms).
These places allow people either to hang out with others or more actively engage with professional associations, hobby groups, religious organizations, or sports leagues.
