團建

team building (abbr. for 團隊建設|团队建设[tuan2 dui4 jian4 she4]) / building camaraderie within the Chinese Communist Youth League 中國共產主義青年團|中国共产主义青年团[Zhong1 guo2 Gong4 chan3 zhu3 yi4 Qing1 nian2 tuan2]

to establish / to found / to set up / to build / to construct

round / lump / ball / to roll into a ball / to gather / regiment / group / society / classifier for a lump or a soft mass: wad (of paper), ball (of wool), cloud (of smoke)