どうのこうの

expression, adverb, adverb taking the 'to' particle

this and that; one thing or another

Used to refer vaguely to various complaints, opinions, or details, often in negative contexts like どうのこうの言う (to complain about this and that).

• 彼かれはいつもどうのこうの文もん句くを言いっている。

  He's always complaining about one thing or another.

• 細こまかいことをどうのこうの言いうのはやめよう。

  Let's stop nitpicking about every little thing.