3 sentences

1. 冲锋的号角吹响了。

   chōng​fēng de hào​jiǎo chuī​xiǎng le.

   The bugle for the charge has sounded.

   Source: Dong Chinese Dictionary

2. 痛苦是行动的号角。

   tòng​kǔ shì xíng​dòng de hào​jiǎo.

   Pain is a call to action.

   Source: OpenSubtitles

3. 也许这是我们行动的号角。

   yě​xǔ zhèi shì wǒ​men xíng​dòng de hào​jiǎo.

   Maybe this is our call to action.

   Source: OpenSubtitles