2 sentences

1. 贺先生是一位著名的数学家。

   Hè xiān​sheng shì yī wèi zhù​míng de shù​xué​jiā.

   Mr. He is a famous mathematician.

   Source: Dong Chinese Dictionary

2. 朋友们聚在一起欢声笑语，特意赶来贺他喜迁新居。

   péng​yǒu​men jù zài yī​qǐ huān​shēng​xiào​yǔ, tè​yì gǎn​lái hè tā xǐ qiān xīn​jū.

   Friends gathered with laughter and joy, having come specifically to congratulate him on moving into his new home.

   Source: Dong Chinese Dictionary