1 sentence

1. 校庆活动的筹备工作正在如火如荼地进行。

   xiào​qìng huó​dòng de chóu​bèi gōng​zuò zhèng​zài rú​huǒ​rú​tú de jìn​xíng.

   Preparations for the school anniversary celebration are in full swing.

   Source: Dong Chinese Dictionary