2 sentences for 从头 (cóng​tóu)

1. 我们从头再调查一次这片区域吧。

   wǒ​men cóng​tóu zài diào​chá yī cì zhè piàn qū​yù ba.

   Let's investigate this area again from the beginning.

   Source: OpenSubtitles

2. 即使失败了，我们也可以从头再来。

   jí​shǐ shī​bài le, wǒ​men yě kě​yǐ cóng​tóu zài lái.

   Even if we fail, we can always start over from scratch.

   Source: Dong Chinese Dictionary