なんnanだかdaka
1.

Indicates an ambiguous feeling or perception that is difficult to explain, often used to express an inexplicable sense of unease or discomfort.

2.

Describes a state of being where one feels a certain way without clear reasons or causes, often associated with intuition or a vague awareness of something.

3.

Reflects a sense of uncertainty or vagueness in feelings or thoughts, suggesting a general impression rather than a concrete understanding of the situation.

Example:

なんだかすごく辛いの。

なんnanだかんだdakanda
1.

An expression used to indicate various unspecified things or situations, often implying a sense of ambiguity or uncertainty about what is being referred to.

2.

A phrase that conveys the idea of multiple factors or considerations, often used when the speaker wants to acknowledge complexity or a mix of elements in a situation.

3.

A colloquial way to refer to a general assortment of matters or issues without pinpointing any specific one, usually suggesting a casual or informal context.

Example:

彼は、なんだかんだ言って支払いを延期した。