3 sentences

1. 顷刻间，海上狂风大作。

   qǐng​kè​jiān, hǎi​shàng kuáng​fēng dà​zuò.

   Suddenly, a gale blew up at sea.

   Source: Dong Chinese Dictionary

2. 天边划过一道闪电，俄而雷声大作。

   tiān biān huá​guò yī dào shǎn​diàn, é ér léi​shēng dà​zuò.

   Lightning flashed across the sky, and soon after, there was a loud crash of thunder.

   Source: Dong Chinese Dictionary

3. 我最近正在拜读您的大作。

   wǒ zuì​jìn zhèng​zài bài​dú nín de dà​zuò.

   I have been reading your great work lately.

   Source: Dong Chinese Dictionary