5 sentences

1. 今天是我姊姊的生日。

   jīn​tiān shì wǒ jiě​jie de shēng​rì.

   Today is my sister's birthday.

   Source: Tatoeba

2. 我和我姊姊在一起。

   wǒ hé wǒ jiě​jie zài​yī​qǐ.

   I'm with my sister.

   Source: OpenSubtitles

3. 她不如她姊姊漂亮。

   tā bù​rú tā jiě​jie piào​liang.

   She's not as beautiful as her sister.

   Source: Tatoeba

4. 姊姊的兴趣是什么？

   jiě​jie de xìng​qù shì shén​me?

   What are your sister’s interests?

   Source: CCMatrix

5. 我想知道他姊姊发生了什么事。

   wǒ xiǎng zhī​dao tā jiě​jie fā​shēng le shén​me shì.

   I wonder what happened to his sister.

   Source: Tatoeba