The self-excited vibration system consists of a(C. E. T. ) unit, one-way air-inlet valve and one-way fu…

燃烧室-喷管，进气单向阀和进油单向阀组成一个自振系统；

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You can almost argue that the focus of the film isn't on kung fu, but more on how it's a medium to teach people lessons that they'll never forget like in school.

CNN: Interview with Gordon Liu

Particularly revealing is the scene where the evil Jade Fox (veteran kung-fu movie star Cheng Pei-pei) decries the fact that she couldn't read, while her student Jen could and therefore surpassed the teacher in achievement and skill.

CNN: From Our Correspondent: Movie with a Message

But they don't know very much, if anything at all, about the original Shaw Brothers' kung fu films.

CNN: Interview with Gordon Liu