Kad profesorica vidi lijep rukopis i dobar redoslijed rečenica, lakše prati što si htjela reći.

Here Kad means when.

In many contexts, kad and kada mean the same thing. The difference is mostly style:

• kad = more common in everyday language
• kada = a bit more formal or emphatic

In this sentence, Kad profesorica vidi... can mean something like When/Whenever the teacher sees..., so it has a general meaning, not just one single moment.

Croatian does not have articles like English a/an and the.

So:

• profesorica can mean the teacher or a teacher
• rukopis can mean the handwriting or handwriting
• redoslijed rečenica can mean the order of the sentences or good sentence order, depending on context

Croatian usually leaves this to context. If you want to be more specific, you can use words like:

• ovaj = this
• taj = that
• onaj = that over there

Because both phrases are direct objects of vidi (sees).

The verb vidjeti / vidi takes the accusative case. But:

• rukopis is masculine singular inanimate
• redoslijed is masculine singular inanimate

For masculine inanimate nouns, the accusative looks the same as the nominative. So:

• lijep rukopis
• dobar redoslijed

look unchanged.

The adjectives lijep and dobar agree with the nouns in gender, number, and case.

Compare this with a masculine animate noun, where the accusative would look different:

• vidi dobrog studenta = she sees a good student

Here rečenica is in the genitive plural.

The phrase means the order of sentences. In Croatian, after many nouns like order, part, end, beginning, you often use the genitive:

• redoslijed čega? = the order of what?
• rečenica = of sentences

So:

• redoslijed rečenica = sentence order / the order of sentences

A useful detail: the genitive plural of rečenica happens to be rečenica, which looks the same as the nominative singular. That can be confusing at first, but it is normal.

Lakše means more easily.

It is the comparative form of the adverb lako (easily):

• lako = easily
• lakše = more easily

So:

• lakše prati = follows more easily / can follow more easily

The comparison is implied: more easily than if the handwriting and sentence order were worse.

Yes, literally pratiti means to follow, but here it is used in a mental sense.

So lakše prati means:

• follows your train of thought more easily
• can follow what you mean more easily
• understands your message more easily

It does not mean physically following someone.

This clause means what you wanted to say or what you meant to say.

Structure:

• što = what
• si = auxiliary are/have used to form the past tense with you
• htjela = wanted (feminine singular)
• reći = to say

So the whole clause is literally:

• što si htjela reći = what you wanted to say

It works as the object of prati:

• lakše prati što si htjela reći
• she can more easily follow what you wanted to say

Because si is an enclitic.

In Croatian, enclitics such as:

• sam, si, je, smo, ste, su

usually go in the second position in their clause.

So the natural order is:

• što si htjela reći

not:

• što htjela si reći

This second-position rule is very important in Croatian word order.

Htjela is the feminine singular past form, so it tells us that the person being addressed is female.

Croatian past forms agree with the subject in gender and number:

• htio = wanted, masculine singular
• htjela = wanted, feminine singular
• htjeli = wanted, masculine/mixed plural
• htjele = wanted, feminine plural

So:

• što si htjela reći = said to a woman/girl
• što si htio reći = said to a man/boy

Because Croatian often drops subject pronouns when they are already clear from the verb form.

Here, si htjela already tells you:

• person: you
• number: singular
• gender: feminine

So the pronoun ti is unnecessary.

Croatian often prefers this shorter version:

• što si htjela reći

instead of:

• što si ti htjela reći

You can add ti for emphasis, but it is not required.

Because the sentence is talking about what the writer intended in the text.

From the teacher’s point of view, the writing already exists, and she is trying to understand what you wanted to say when you wrote it.

So the past tense sounds natural:

• što si htjela reći = what you wanted to say
• often very close in meaning to what you meant to say

Using the past here does not necessarily mean a distant past event. It often just refers to the intention behind something already written or said.

Because Croatian commonly uses htjeti + infinitive for to want to do something.

So:

• htjela reći = wanted to say
• literally: wanted + to say

This is a very common pattern:

• želim učiti = I want to study
• htio sam doći = I wanted to come
• nije htjela govoriti = she didn’t want to speak

In everyday speech, often yes, but in standard Croatian, što is preferred here.

So:

• što si htjela reći = standard Croatian
• šta si htjela reći = very common in speech, but less formal/less standard in many contexts

Because this sentence sounds like standard written Croatian, što is the better choice.

Because the sentence begins with a subordinate clause:

• Kad profesorica vidi lijep rukopis i dobar redoslijed rečenica, ...

Then the main clause follows:

• lakše prati što si htjela reći

In Croatian, when a clause introduced by kad comes first, it is normally separated from the main clause with a comma.

So the comma here is standard punctuation.