2 sentences

1. 完成这项任务需大家通力合作。

   wán​chéng zhè xiàng rèn​wu xū dà​jiā tōng​lì hé​zuò.

   Completing this task requires everyone's full cooperation.

   Source: Dong Chinese Dictionary

2. 我们都是记者，我们应该通力合作。

   wǒ​men dōu shì jì​zhě, wǒ​men yīng​gāi tōng​lì hé​zuò.

   We are both journalists and we should work together.

   Source: OpenSubtitles