1.a corporate body can act only through the instrumentality of human beings.
法人组织只能通过人这个媒介来发挥作用。
2.Through the instrumentality of the police he was able to locate his relatives.
靠警, 到亲属。
3.Article 4 The leading posts in the Provincial People's Government and the instrumentalities thereof should be rationally taken by cadres of minority ethnic groups.