Along with that, make sure you don't have much knee bend.

与此同时, 要确保你的双膝弯曲的幅度不大.

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You want to keep your kick tight and small with slight knee bend.

你要做到的是双膝微曲的紧张踢腿.

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The legs should only have a small knee bend, and then bend from the hips.

膝盖微曲, 上身从髋处开始往前倾.

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Your kicks should alternate and start at the hip with a slight knee bend.

两腿轮流打水,从臀部开始发力,膝盖微微弯曲.

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Do knee bend, and it's very likely you'll hear popping sounds coming from your knee joints.

当我们蹲下又起来的时候,常常会听到膝盖关节处发出“咯咯”的响声;折手指的时候,就会听到手指的关节 “ 咯咯”作响.

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