3 sentences

1. 我在那儿和你碰头。

   wǒ zài nà​r hé nǐ pèng​tóu.

   I'll meet you there.

   Source: OpenSubtitles

2. 我们约好明天下午在公园门前碰头。

   wǒ​men yuē​hǎo míng​tiān xià​wǔ zài gōng​yuán mén qián pèng​tóu.

   We've agreed to meet in front of the park gates tomorrow afternoon.

   Source: Dong Chinese Dictionary

3. 领导们正在碰头研究下一步的工作计划。

   lǐng​dǎo men zhèng​zài pèng​tóu yán​jiū xià yī bù de gōng​zuò jì​huà.

   The leaders are having a meeting to discuss the next steps of the work plan.

   Source: Dong Chinese Dictionary