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

They have worked on 8 movies together! Their first movie together was The Reckless Cricket (1979) while their highest rated movie together was Legendary Weapons of China (1982). They have not worked together since Twinkle, Twinkle, Lucky Stars (1985). They are most known for their action films together.