3 sentences

1. 全城的人都在庆贺这一伟大的胜利。

   quán chéng de rén dōu zài qìng​hè zhè yī wěi​dà de shèng​lì.

   The whole city is celebrating this great victory.

   Source: Dong Chinese Dictionary

2. 正月初一这一天，家家户户都要放鞭炮庆贺。

   zhēng yuè chū​yī zhè yī tiān, jiā​jiā​hù​hù dōu yào fàng biān​pào qìng​hè.

   On the first day of the first lunar month, every household sets off firecrackers to celebrate.

   Source: Dong Chinese Dictionary

3. 朋友们纷纷向他表示热烈的庆贺。

   péng​you men fēn​fēn xiàng tā biǎo​shì rè​liè de qìng​hè.

   Friends offered their warm congratulations to him one after another.

   Source: Dong Chinese Dictionary