carry on reforms

work on one's inventions

start a training course

launch guerrilla attacks

engage in sideline production;run sideline businesses

do (scientific) research;engage in scientific research

form a small clique

sanitize; have a thorough cleaning

strive for modernization

make extra money

incite disturbance; stir up unrest

engage in capital construction

be bent on one's invention

establish a company

be suitable for teaching

carry on the research