权威发言权的英文：
authoritative say

authoritative是什么意思：
adj. 专断的，权威式的；权威的当局的

Her voice was crisp and authoritative.
她的声音干脆利落，具有权威性。

Is this an authoritative order or a personal request?
这是官方的命令还是个人的要求？

It is a most authoritive locus on a subject.
这是一段关于某问题的最权威性的章节。

He said in a deep authoritative male voice.
他以深沉而威严的男性的声调说。

The first authoritative study of polio was published in 1840.
关于小儿麻痹症的第一篇权威性研究报告发表于1840年。

say是什么意思：
v. 说，讲；讲述，说明；表明；认为，声称
n. 要说的话，意见

To say this is worthwhile.||It is worthwhile to say this.
这话值得说。

He popped in to say hello.
他匆匆进来说声你好。

As they say, honesty is the best policy.
常言道，诚实是最佳策略。

Never say uncle
嘴硬,不肯服输、不肯承认

You don't say! You are lucky
真的啊!你真幸运