我看见这样的情形，高兴得手足舞蹈起来。

I see such a situation, a happy dancing together.

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我想知道在不在手指上缠上错综复杂的线缕的情况下，要在舞蹈的韵律中移动彼此分离的枝干和手足何以可能。

I wanted to know how it is possible, without having a maze of strings attached to one's fingers, to move the separate limbs and extremities in the rhythm of the dance.

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第二期有震颤、肌痉挛、舞蹈症和手足徐动症以及椎体束征。

The second stage is comprised of tremors or myoclonus, chorea and athetosis, and pyramidal tract signs.

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