1
of + adjective + caliber
She is a professional of high caliber.
高素质的专业人士
水平；水准；能力
先理解核心含义，再看它在真实句子里的用法。
水平；水准；能力
a degree or grade of excellence or worth
She is a professional of high caliber.
高素质的专业人士
管道或枪管的直径
diameter of a tube or gun barrel
卓越或价值的程度或等级
a degree or grade of excellence or worth
The .45 caliber pistol is known for its stopping power.
这把点45口径的手枪以其制止力而闻名。
She is a musician of the highest caliber.
她是一位最高水准的音乐家。
The university attracts students of excellent caliber.
这所大学吸引着优秀才干的学生。
She is a professional of high caliber.
高素质的专业人士
They hired a high-caliber engineer.
高水平工程师
The caliber of this work is impressive.
这项工作的水准
The rifle is in .22 caliber.
0.22英寸口径的步枪
Not this
The gun's caliper is 9mm.
Use this
The gun's caliber is 9mm.
拼写混淆，caliper（卡尺）与 caliber（口径）形近义异。
Not this
He is a very caliber person.
Use this
He is a very high-caliber person.
caliber 是名词，不能直接作形容词，需用 high-caliber 或 of high caliber 表示‘高素质的’。
Not this
This is a caliber of work.
Use this
This is work of high caliber.
caliber 表示‘水准’时常用 of high caliber 结构，而非 a caliber of。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
高质量的
The firm hires only high-caliber professionals.
低质量的
The work was of low caliber and had many errors.
……的质量
The caliber of the applicants exceeded our expectations.
提高水准
We aim to raise the caliber of our services.
同样水准的
Both candidates are of the same caliber.
小口径的
The gun uses small-caliber ammunition.
最高水准的；最优秀的
She is an engineer of the highest caliber.
她是一位最优秀的工程师。
（和某人）同等级的；具有某人那种能力的
We have not seen a player of his caliber in years.
我们已经很多年没见过像他这种水平的球员了。
提升…的水准
The school hopes to raise the caliber of its teaching staff.
这所学校希望提升教学人员的水平。
Use caliber naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
caliber 音近“卡尺”，卡尺量枪管直径，也量人的水准——口径即水平。
语域：mixed 常见场景：technical/military specifications (diameter)、formal evaluation (quality or ability) caliber 有两个常见义项：指枪管或管道直径时，多用于技术或军事等客观描述，语气比较中性；指能力或质量水平时，通常见于正式评价或书面表达，语气较为正式。使用时可根据具体义项选择相应语境。
作为‘口径’时可数，作为‘水准’时不可数
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.