Focus on the pronunciation of smarten (sb/sth) up
English definition of “smarten (sb/sth) up”
smarten (sb/sth) up — Phrasal Verb with smarten
› to improve your personal appearance or the appearance of something: You'll need to buy a suit and smarten up a bit for the interview. Staff were told to smarten themselves up for the inspection visit. They've smartened up the design of their webpage.
› (also smarten up your act) to begin working more effectively: Poor performers need to smarten up quickly if they want to keep their jobs. The industry needs to smarten up its act in relation to advertising and promotion.