2 sentences

1. 这场事故给所有人敲响了警钟。

   zhè cháng shì​gù gěi suǒ​yǒu rén qiāo​xiǎng le jǐng​zhōng.

   The accident served as a wake-up call for everyone.

   Source: Dong Chinese Dictionary

2. 这次安全事故为我们敲响了警钟。

   zhè cì ān​quán shì​gù wèi wǒ​men qiāo​xiǎng le jǐng​zhōng.

   This safety accident served as a wake-up call for us.

   Source: Dong Chinese Dictionary