one-note

Adjective

idiomatic not-comparable

(idiomatic) Having only one opinion, outlook, tone, etc., especially as expressed repetitively; without variety or range.

Japanese Meaning

一面的で単調な（意見や態度が固定化・偏っている様子）

Her presentation came across as one-note, reiterating the same points without engaging with any alternative perspectives.

彼女のプレゼンテーションは単調で一方的に感じられ、同じ要点を繰り返すだけで別の見解に耳を傾けようとしなかった。

Sense（1）

(idiomatic) Having only one opinion, outlook, tone, etc., especially as expressed repetitively; without variety or range.