[usually before noun] agreed to, set, said, done, etc. by sb in authority, especially a government正式的；官方的；官方授权的◆Official figures show that business investment fell by 12% in the third quarter.官方数字显示第三季度企业投资下降了 12%。◆There is to be an official enquiry into the bank's collapse.当局将对银行倒闭事件展开调查。◆The country's official language is Spanish.这个国家的官方语言是西班牙语。 [only before noun] connected with a person's job, especially an important one公务的；公职的◆official responsibilities公务◆His official title is director of research.他的职位是研究部总监。◆She made the trip to New York in her official capacity.她以官方身份到访纽约。 [only before noun] formal and attended by people in authority正式的；公务的；官方场合的◆The plant's official opening is next week.工厂将于下周举行正式开工仪式。◆an official reception官方招待会 OPP unofficial