2 sentences

1. 他是我们项目组里的重头人物。

   tā shì wǒ​men xiàng​mù​zǔ lǐ de zhòng​tóu rén​wù.

   He is a key figure in our project team.

   Source: Dong Chinese Dictionary

2. 请把这封邮件转发给所有项目组成员。

   qǐng bǎ zhè fēng yóu​jiàn zhuǎn​fā gěi suǒ​yǒu xiàng​mù​zǔ chéng​yuán.

   Please forward this email to all members of the project team.

   Source: Dong Chinese Dictionary