nǎ
我们这里有两位张师傅，您要见的是哪位？
Wǒmen zhèlǐ yǒu liǎng wèi Zhāng shīfu, nín yào jiàn de shì nǎ wèi?
We have two Master Zhangs here, which one do you want to see?
这些诗里头哪两首是你写的？
zhè xiē shī lǐ tou nǎ liǎng shǒu shì nǐ xiě de?
Which two of these poems were written by you?
什么叫吃亏，哪叫上算，全都谈不到。
shén me jiào chī kuī, nǎ jiào shàng suàn, quán dōu tán bù dào.
What does it mean to suffer a loss, what does it mean to gain an advantage—none of that matters.