Note: The two items listed are typically contrasting or related possibilities. Often used with interrogative words (何、どこ、いつ, etc.) as well.
The pattern のやら~のやら is used to list two or more contrasting or related possibilities, conveying the speaker's uncertainty, confusion, or inability to determine which of the listed options is the case. It often carries a tone of bewilderment, exasperation, or emotional overwhelm.
This pattern is similar to ~のか~のか ("whether… or…"), but のやら~のやら emphasizes that the speaker genuinely cannot tell or does not know which is true, and often implies mixed or complicated feelings.
The most common use pairs two opposite or contrasting states, suggesting the speaker cannot distinguish between them.
When used with verbs in plain form, it expresses uncertainty about what is happening or what someone is doing.
The pattern often appears when describing chaotic or overwhelming situations where multiple things are mixed together and hard to sort out.
In this usage, のやら~のやら functions more like listing items in a messy, indeterminate way, similar to "…and… and who knows what else."
This is a written or formal spoken expression, commonly found in literary contexts, narration, or reflective speech. It sounds somewhat literary or dramatic in casual conversation.
It is often followed by expressions of uncertainty such as わからない分からない, けんとうがつかない見当がつかない, or descriptive phrases showing confusion.
Compare with ~やら~やら (without の), which is used to list actions or items in a similar tone of overwhelm, but does not necessarily imply the "which one is it?" uncertainty that のやら~のやら carries when used with contrasting options.