secretary general
noun [ C ] uk/ˌsek.rə.tər.i ˈdʒen.ər.əl/ us/ˌsek.rə.ter.i ˈdʒen.ɚ.əl/ secretaries general
秘书长
The secretary general of an organization is its most important official.
My moral duty as Secretary General of the United Nations is to do everything possible to avoid war. 我作为联合国秘书长在道义上的职责是尽一切可能制止战争。