liǎ
咱俩
zán liǎ
the two of us; we two
你们俩
nǐ men liǎ
the two of you; you two
一共五个，我吃了俩，他吃了仨。
yī gòng wǔ gè, wǒ chī le liǎ, tā chī le sā
There were five in total. I ate two, and he ate three.