8 sentences

1. 突如其来的变故让他不知所措。

   tū​rú​qí​lái de biàn​gù ràng tā bù​zhī​suǒ​cuò.

   The sudden change left him at a complete loss for what to do.

   Source: Dong Chinese Dictionary

2. 突然发生的变故让他感到晕头转向。

   tū​rán fā​shēng de biàn​gù ràng tā gǎn​dào yūn​tóu​zhuàn​xiàng.

   The sudden turn of events left him feeling disoriented.

   Source: Dong Chinese Dictionary

3. 那场变故的影响，让他感到彻骨的寒冷。

   nà cháng biàn​gù de yǐng​xiǎng, ràng tā gǎn​dào chè gǔ de hán​lěng.

   The impact of that incident left him chilled to the bone.

   Source: Dong Chinese Dictionary

4. 面对突如其来的变故，他表现得十分慌乱。

   miàn​duì tū​rú​qí​lái de biàn​gù, tā biǎo​xiàn de shí​fēn huāng​luàn.

   He appeared very flustered in the face of the sudden change.

   Source: Dong Chinese Dictionary

5. 面对这突如其来的变故，他感到一片茫然。

   miàn​duì zhè tū​rú​qí​lái de biàn​gù, tā gǎn​dào yī piàn máng​rán.

   Faced with this sudden turn of events, he felt completely bewildered.

   Source: Dong Chinese Dictionary

6. 这种突如其来的变故让他感到有些眩惑。

   zhè zhǒng tū​rú​qí​lái de biàn​gù ràng tā gǎn​dào yǒu​xiē xuàn huò.

   This sudden change left him feeling somewhat dazed.

   Source: Dong Chinese Dictionary

7. 为了防止发生变故，我们要做好多手准备。

   wèi​le fáng​zhǐ fā​shēng biàn​gù, wǒ​men yào zuò​hǎo duō​shǒu zhǔn​bèi.

   To prevent any unforeseen changes, we need to prepare for all contingencies.

   Source: Dong Chinese Dictionary

8. 家中突遭变故，他的生活轨迹彻底改变了。

   jiā zhōng tū zāo biàn​gù, tā de shēng​huó guǐ​jì chè​dǐ gǎi​biàn le.

   A sudden misfortune in his family completely changed the course of his life.

   Source: Dong Chinese Dictionary