我忘了我的电子邮件密码。

Wǒ wàng le wǒ de diànzǐ yóujiàn mìmǎ.

I forgot my email password.

你的账户密码需要有最少五个数字。

Nǐ de zhànghù mìmǎ xūyào yǒu zuìshǎo wǔ gè shùzì.

Your account password must be at least five characters.

现代的电话不用密码解锁，用指纹就可以了。

Xiàndài de diànhuà búyòng mìmǎ jiěsuǒ, yòng zhǐwén jiù kěyǐ le.

Modern phonesdon't need passwords, they can be unlocked with just a fingerprint.