片语是构成一个语法单位的一组词，它没有限定动词，也不存在主述结构。

A phrase does not contain a finite verb and does not have a subject-predicate structure.

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经封闭性的考察分析，我们发现，在汉语会话中，能构成重叠形式的单音节动词A大多是表人的器官或肢体动作的动词(自主动词，述人动词)。

Through closed analysis of Chinese conversation, we can see that those which are able to form overlapped verbs of single syllables (a) are connected with human body and senses (volitional verb).

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