tuán jiàn de shí hòu qì fēn tè bié hǎo lián píng shí bù zěn me shuō huà de tóng shì dōu fàng kāi le

团建的时候气氛特别好，连平时不怎么说话的同事都放开了。

The atmosphere during the team-building was great; even colleagues who usually don't talk much opened up.