Focus on the pronunciation of clean sth up
English definition of “clean sth up”
clean sth up — Phrasal Verb with clean
› informal to stop illegal and dishonest activity in a company, system, etc.: Last week the Government announced plans to clean up the mortgage industry. After the scandal, a team of marketing specialists was hired to clean up the company's image.
› ENVIRONMENT to remove harmful substances or chemicals from a place or the environment: clean up pollution/contamination/waste $250 million was spent on cleaning up groundwater contamination at the former factory's site.