内緒

このことはみんなには内緒にしておいてね。

Keep this a secret from everyone, okay?

母に内緒で子犬を拾ってきた。

I brought home a stray puppy without telling my mother.

ここだけの内緒の話だけど、彼女は来月結婚するらしい。

Just between us, I hear she's getting married next month.

あの家は見かけは立派だが、内緒は苦しいらしい。

That family looks well-off, but their finances are apparently tight.

店の内緒は番頭がすべて取り仕切っていた。

The head clerk managed all of the shop's private affairs.

父が職を失ってから、我が家の内緒は火の車だ。

Since my father lost his job, our household finances have been in dire straits.