Surname + 奶奶 / 奶奶 + Verb Phrase
奶奶 (nǎinai) means "grandmother" on the father's side and is also used as a respectful form of address for elderly women. When preceded by a surname, it serves as a polite way to refer to an older woman.
奶奶做的红烧肉是我吃过最好吃的。
Nǎinai zuò de hóngshāoròu shì wǒ chī guò zuì hǎochī de.
The braised pork my grandma makes is the best I've ever had.
我奶奶虽然年纪大了,但记性很好。
Wǒ nǎinai suīrán niánjì dà le, dàn jìxing hěn hǎo.
Although my grandma is getting old, she still has a great memory.
张奶奶每天傍晚都在楼下散步。
Zhāng nǎinai měitiān bàngwǎn dōu zài lóuxià sànbù.
Grandma Zhang takes a walk downstairs every evening.