3 sentences

1. 我有个大学同学姓姚。

   wǒ yǒu gè dà​xué tóng​xué xìng yáo.

   I have a college classmate whose surname is Yao.

   Source: Dong Chinese Dictionary

2. 刚才那位姚老师讲得特别生动。

   gāng​cái nà wèi Yáo lǎo​shī jiǎng de tè​bié shēng​dòng.

   Teacher Yao's lecture just now was very vivid and engaging.

   Source: Dong Chinese Dictionary

3. 这位王子的相貌姚丽，深受百姓们的爱戴。

   zhè wèi wáng​zǐ de xiàng​mào yáo lì, shēn shòu bǎi​xìng men de ài​dài.

   The prince's appearance was strikingly beautiful, and he was deeply loved by his people.

   Source: Dong Chinese Dictionary