坦たん々たん

taru-adjective, adverb taking the 'to' particle

level; flat; smooth; even

Describes a surface or terrain that is flat and even, without bumps or irregularities. Often used in literary or descriptive contexts.

• 坦たん々たんとした道みちがどこまでも続つづいていた。

  A flat road stretched on endlessly.

taru-adjective, adverb taking the 'to' particle

uneventful; peaceful; monotonous

Describes a situation, life, or mood that is calm, without trouble or excitement, sometimes with a nuance of monotony. Often used with とした.

• 彼かれは坦たん々たんとした日ひ々びを送おくっている。

  He leads a peaceful, uneventful life.