介于: between, intermediate, to lie between...
组长: group leader...
灵活: flexible, nimble, agile...
投: to cast, to send, to throw oneself (into the river etc), to seek refuge, to place oneself into the hands of...
养活: to provide for, to keep (animals, a family etc), to raise animals, to feed and clothe, support, the necessities of life, to give birth...
尤其: especially, particularly...
重中之重: of the utmost importance, of highest priority...
表演: play, show, performance, exhibition, to perform, to act, to demonstrate...
名人: personage, celebrity...
艺人: performing artist, actor...