Love on Delivery

Poh wai ji wong is a movie starring Stephen Chow, Christy Chung, and Man-Tat Ng. To prove himself to a love interest, a delivery boy learns dubious kung fu from an aging charlatan so he can challenge his archrival to a fight.
Ho Kam-An is a lovestruck dim sum delivery boy who falls for a beautiful judo student. After being humiliated by her boyfriend, Ho Kam-An seeks the services of an aging master who teaches him a half-assed style of kung fu, "Karate Kid"-style.