You have memorised your passwords and your PIN is secret, now it is the house keys that must be hidden from prying eyes.

你已经记住了密码，并且你的PIN码(注：个人识别码)非常安全，那么现在你需要把你的家门钥匙藏好，以免被别人偷窥到。

youdao

You have memorised your passwords and your PIN is secret, now it is the house keys that must be hidden from prying eyes.

你已经记住了密码，并且你的PIN码(注：个人识别码)非常安全，那么现在你需要把你的家门钥匙藏好，以免被别人偷窥到。

youdao