3 sentences

1. 彼采萧兮，一日不见，如三秋兮。

   bǐ cǎi xiāo xī, yī rì bù jiàn, rú sān​qiū xī.

   He is gathering mugwort; a day without seeing him feels like three years.

   Source: Dong Chinese Dictionary

2. 羌内惟昭质兮，再修能以赋之。

   qiāng nèi wéi zhāo zhì xī, zài xiū néng yǐ fù zhī.

   Within I possess a pure nature, and I have further cultivated my abilities to display them.

   Source: Dong Chinese Dictionary

3. 老师向我们解释了“兮”在古代诗歌中的含义。

   lǎo​shī xiàng wǒ​men jiě​shì le“ xī” zài gǔ​dài shī​gē zhōng de hán​yì.

   The teacher explained the meaning of the particle 'xi' in ancient poetry to us.

   Source: Dong Chinese Dictionary