authoritative
UK/ɒ:'θɒritәtiv/US
IELTSTOEFLB2
释义
adj.
Reliable and definitive because it comes from a trusted source
权威性的;可信赖的
adj.
Commanding and expecting to be obeyed
命令式的;威严的
词根拆分
词根派生由 authority + -ive(倾向于/具有……性质)构成。authoritative 就是带有源头的分量:要么可靠权威(an authoritative account 权威的叙述),要么举止威严(an authoritative voice 威严的嗓音)。
词根 author 还连着 6 个词常用搭配
- 1.authoritative source权威来源
- 2.authoritative account权威的叙述
- 3.authoritative voice威严的嗓音
- 4.authoritative tone命令式的口吻
例句
- 1.
This dictionary is the most authoritative reference on modern usage.
这部词典是现代用法方面最权威的参考书。
- 2.
She spoke in a calm, authoritative tone that ended the argument.
她以平静而威严的口吻说话,结束了争论。
- 3.
We need an authoritative source before publishing the claim.
在发表这一说法之前,我们需要一个权威来源。
易混词辨析
authoritative 与 authoritarian 的区别——两者都来自 authority,但语气相反。authoritative 是褒义:可靠、专业、权威(an authoritative guide 权威指南)。authoritarian 是贬义:要求盲目服从、专制(an authoritarian regime 专制政权)。赢得信任的 → authoritative;压制异议的 → authoritarian。