authoritative
/ɔːˈθɒrɪtətɪv/adjective
1
- able to be trusted as being accurate or true; reliable可信的; 可靠的：
clear, authoritative information and advice
明确可靠的信息和建议
an authoritative source.
可信任的来源。
1.1
- (of a text) considered to be the best of its kind and unlikely to be improved upon（文本）权威性的; 完美的：
this is likely to become the authoritative study of the subject.
这可能成为关于这个题目的权威性研究。
2
- commanding and self-confident; likely to be respected and obeyed权威的; 威严的; 令人敬服的：
she had an authoritative air
她神态威严
his voice was calm and authoritative.
他的声音冷静而威严。
2.1
- proceeding from an official source and requiring compliance or obedience官方的：
authoritative directives.
官方指示。
派生词