This secret is only between you and me.

这个秘密只有你我知道。

youdao

We must keep this thing as a secret which is only between you and me.

我们一定要保守秘密，这事只能你知我知。

youdao

We must keep this thing as a secret which is only between you and me.

我们一定要保守秘密，这事只能你知我知。

youdao