1
the grammar of [language]
此时 grammar 不可数，指整个语法体系。
She studied the grammar of Latin.
她研究了拉丁语语法。
语法
grammars — plural of grammar
先理解核心含义，再看它在真实句子里的用法。
语法
The system of rules governing the structure of a language.
She studied the grammar of Latin.
她研究了拉丁语语法。
语言结构的规则和原则体系,或一般语言的规则和原则。
A system of rules and principles for the structure of a language, or of languages in general.
研究句法和形态学的语言学分支(有时也涉及语义学)
the branch of linguistics that deals with syntax and morphology (and sometimes also deals with semantics)
关于语言正确使用的实际或假定的规范观念。
Actual or presumed prescriptive notions about the correct use of a language.
描述一种语言语法的书籍。
A book describing the grammar (noun sense 1 or noun sense 2) of a language.
Learning the basics of English grammar will help you write clearer sentences.
学习英语语法的基础知识能帮助你写出更清晰的句子。
I find German grammar much more difficult than English grammar.
我发现德语语法比英语语法难得多。
Understanding basic grammar is essential for learning a new language.
理解基本语法对学习一门新语言至关重要。
此时 grammar 不可数，指整个语法体系。
She studied the grammar of Latin.
她研究了拉丁语语法。
此处 grammar 不可数，指语法知识或水平。
His English grammar is poor.
他的英语语法很差。
此时 grammar 为可数名词，指语法书籍。
I bought a grammar of Spanish.
我买了一本西班牙语语法书。
Not this
I need to improve my grammars.
Use this
I need to improve my grammar.
grammar 作为‘语法’概念时通常不可数，不应加复数。表示‘语法书’等可用复数，但此处意为语法水平，故用单数。
Not this
I made a grammar mistake.
Use this
I made a grammatical mistake.
表示‘语法的’应使用形容词 grammatical，而非名词 grammar 作定语。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
语法规则
Learning grammar rules is essential for writing correct English.
学习语法规则对于写出正确的英语至关重要。
语法书
She bought a new grammar book to improve her language skills.
她买了一本新的语法书来提高语言技能。
英语语法
English grammar can be confusing for non-native speakers.
英语语法对于非母语者来说可能令人困惑。
语法错误
He corrected the grammar mistakes in his essay before submitting it.
他在提交论文前纠正了其中的语法错误。
语法检查
Use a grammar check tool to proofread your document.
使用语法检查工具来校对文档。
语法课
The teacher gave a grammar lesson on verb tenses.
老师上了一节关于动词时态的语法课。
语法警察，过分纠正语法的人
Don't be such a grammar Nazi; everyone makes mistakes.
别那么吹毛求疵，每个人都会犯错。
语法警察（常带贬义）
The grammar police are always ready to correct your punctuation.
语法警察随时准备纠正你的标点符号。
语法是言语的逻辑，正如逻辑是理性的语法。
From the English clergyman and author Richard Chenevix Trench, emphasizing the parallel between grammar and logic.
来自英国牧师兼作家理查德·切内维克斯·特伦奇，强调语法与逻辑的平行关系。
语法是我凭耳朵弹奏的钢琴。
From writer Joan Didion, expressing a natural, intuitive approach to grammar.
来自作家琼·狄迪恩，表达了对语法的一种自然直觉的态度。
Use grammars naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一位'格莱玛'老奶奶，总爱纠正语法错误。
该义项（语法学）在中性或正式语境中使用，常见于学术讨论、语言教学或写作指导等场景。
表示语言规则体系时通常用单数；表示‘语法书’时可用 a grammar / grammars。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.