This is largely because linguists, unlike laypeople, focus on grammar, not vocabulary.

这在很大程度上是因为语言学家与外行人不同，他们关注的是语法，而不是词汇。

And here, it says it's best characterized by its reliance on rules of grammar.

这里说它的最大特点是对语法规则的依赖。

They don't like you correcting their grammar.

她们不喜欢你纠正她们的文法。

Think of an email as a letter. Spelling, grammar and punctuation should not be overlooked.

把编辑电子邮件当成在写信，拼写、语法、标点都不应忽。

You know, I can't stand bad grammar.

你知道的，我忍不了语法错误。

Geez. My advice is stick to arithmetic. -History and grammar.

老天，我建议你还是坚持学算术吧。-历史还有语法。

I'm tired of sacrificing my grammar for the good of the tweet, unhappy face.

我已经厌倦了为了推文而牺牲我的语法，生气脸。

I have an advanced grammar lesson for you today.

天我要给你们上一节高级语法课。

Besides, most Hawaiian grammar is done with separate little words called particles.

此外，多数夏威夷语的语法是拿拆开来的短词语作运用，称为小品词。

So make sure you are brushing up on your grammar and your vocabulary before hands.

所以请确保你提前复习了语法和词汇。

Now, we're going to be looking at cover letter grammar.

现在我们要讨论求职信的语法。

My first grammar tip is to avoid contractions where necessary.

我的第一个语法建议是必要时避免使用缩略形式。

I don't care, it's bad grammar on purpose.

我不在乎，故意用这种烂文法。

With this grammar, you're going to use the past perfect.

有了这个语法，你就会使用过去完成时。

And you should also remember to check your spelling and grammar!

还要注意检查拼写和语法。

So early punctuation wasn't really about grammar, then?

所以早期的标点符号和语法并没有太大关系？

Like, whether it is about grammar, is that about vocabulary, is about cohesion?

例如，是语法问题、词汇问题还是连贯性的问题？

Don't focus on building vocabulary using complex grammar.

不要专注于使用复杂的语法来构建词汇。

Listen, learning English words and grammar... it's a long-term process.

听着，学习英语单词和语法，这是一个长期的过程。

Yes, there is a class for vocabulary and grammar every term.

每个学期都有词汇和语法的课程。