This structure can be used if want to say you are "verbing without a clear direction." It's sort of like "verbing this way and that." The same verb is repeated before the (lái) and  (). So for example, 走来走去 is a bit like "walking here and there" or "walking this way and that."

Structure

Verb +  + Verb + 

Examples

In a sentence, this structure looks like this:

See also

Sources and further reading

Books