showing that you expect people to obey and respect you 命令式的;专断的;权威式的 an authoritative tone of voice 命令式的口气
Extra ExamplesA very authoritative voice shouted, ‘Get back inside.’ 一个非常权威的声音喊道,‘回到里面去。 His tone was clear and authoritative. 他口气明确而强硬。 She began to resent his authoritative manner. 她开始讨厌他的权威态度。
that you can trust and respect as true and correct 权威性的 the most authoritative book on the subject 这个学科最具权威的著作