这是个秘密

it's a secret

→ 这
phrase Rare #32,030
it's a secret Used to say that information is confidential.
CH: 别告诉别人,这是个秘密。
EN: Don't tell anyone; it's a secret.

她不知道,这是个秘密

She doesn't know. It's a secret.

— 充气娃娃之恋 (2007)

知道,但这是个秘密

I know, but it’s a secret.

— 小偷 (1997)

这是个秘密

It's a secret.

— 调音师 (2018)

这是个秘密知道吗?

This is a secret, you know?

— 烈日灼人 (1994)