腹はらに納おさめる

expression, ichidan verb

keep to oneself; keep secret; keep inside

Idiomatic expression meaning to keep something (especially a secret, thought, or feeling) to oneself without revealing it to others. Often implies a deliberate decision to hold back.

• その話はなしは腹はらに納おさめておくよ。

  I'll keep that story to myself.

• 彼かれは不ふ満まんを腹はらに納おさめて、何なにも言いわなかった。

  He kept his dissatisfaction to himself and said nothing.