How many movies have Kara Wai Ying-Hung and Liu Hok-Ming acted in together?

They have worked on 5 movies together! Their first movie together was The Reckless Cricket (1979) while their highest rated movie together was The 8 Diagram Pole Fighter (1984). They have not worked together since Twinkle, Twinkle, Lucky Stars (1985). They are most known for their action films together.