2 sentences for 姨 (yí)

1. 邻居家的姨经常帮我照顾猫。

   lín​jū jiā de yí jīng​cháng bāng wǒ zhào​gu māo.

   The aunt next door often helps me take care of my cat.

   Source: Dong Chinese Dictionary

2. 我妈有三个姐姐，我喊她大姨。

   wǒ mā yǒu sān gè jiě​jie, wǒ hǎn tā dà yí.

   My mother has three older sisters; I call the eldest one 'Da Yi' (Eldest Aunt).

   Source: Dong Chinese Dictionary