内ない緒しょ話ばなし

noun

secret talk; confidential conversation

A private conversation not meant for others to hear; often used among friends or family.

• 妹いもうとと内ない緒しょ話ばなしをしていたら、母ははが急きゅうに入はいってきた。

  While I was having a secret talk with my little sister, my mother suddenly came in.

• 授じゅ業ぎょう