Meaning of nǎi nai:
奶奶
(informal) grandma (paternal grandmother); (respectful) mistress of the house; CL:位[wei4]; (coll.) boobies; breasts
Měi gè zhōumò, wǒ dōu huì qù kànwàng wǒ de nǎinai.
每个周末,我都会去看望我的奶奶。
Every weekend, I visit my grandma.
Zhè shì wǒ nǎinai de zhàopiàn.
这是我奶奶的照片。
This is a photo of my grandmother.
Wǒ jīntiān qù kànwàngle wǒ de nǎinai.
我今天去看望了我的奶奶。
I visited my grandmother today.
Wǒ de nǎinai zuò de fàn hěn hǎo chī.
我的奶奶做的饭很好吃。
The food my grandmother makes is very delicious.
Yīng'ér zhèngzài hē māmā de nǎinai.
婴儿正在喝妈妈的奶奶。
The baby is breastfeeding from its mother's breasts.