Τρέμω λίγο όταν πίνω πολύ καφέ και δεν έχω φάει.

In Greek, subject pronouns are often omitted because the verb ending already shows the person and number.

• τρέμω = I shake / I tremble
• The ending -ω tells you it is 1st person singular.

So Greek usually says:

• Τρέμω = I’m shaking / I shake

You can say Εγώ τρέμω, but that adds emphasis, like I’m the one shaking.

Τρέμω literally means I tremble, I shake, or I shiver.

In this sentence, it most naturally means:

• I get shaky
• I shake a little

It can be used for:

• physical trembling from cold, nerves, weakness, caffeine, etc.
• sometimes emotional fear as well, depending on context

Here, because of the mention of coffee and not having eaten, it clearly refers to a physical shaky feeling.

Here λίγο means a little, a bit, or slightly.

So:

• Τρέμω λίγο = I shake a little / I get a bit shaky

In this sentence, λίγο is an adverb, modifying the verb τρέμω.

Compare:

• λίγο νερό = a little water
• κοιμάμαι λίγο = I sleep a little / not much
• τρέμω λίγο = I tremble a little

Όταν usually means when, but very often it can also have the sense of whenever, depending on context.

In this sentence:

• όταν πίνω πολύ καφέ και δεν έχω φάει

it means something like:

• when / whenever I drink a lot of coffee and haven’t eaten

Because the sentence describes a general repeated situation, English often uses whenever naturally, even though Greek still uses όταν.

Greek often uses the present tense to talk about repeated or general situations.

So:

• όταν πίνω πολύ καφέ...
  literally: when I drink a lot of coffee...

This does not necessarily mean only right now. It can mean:

• whenever this happens
• in situations where I drink a lot of coffee

So the whole sentence expresses a general truth or habit:

• I get a little shaky when I drink a lot of coffee and haven’t eaten.

Here πολύ means a lot of, and καφέ is coffee in the accusative, because it is the object of πίνω (I drink).

So:

• πίνω πολύ καφέ = I drink a lot of coffee

A useful point: with uncountable nouns like καφές (coffee), Greek often uses:

• πολύ + singular noun
• πολύ καφέ = a lot of coffee

This is very natural Greek.

The dictionary form is:

• ο καφές = coffee / the coffee

But after the verb πίνω, the noun is a direct object, so it goes into the accusative case:

• nominative: ο καφές
• accusative: τον καφέ

Without the article, that becomes simply:

• καφέ

So:

• πίνω καφέ = I drink coffee
• πίνω πολύ καφέ = I drink a lot of coffee

Greek often omits the article when talking about a substance or thing in a general, non-specific way.

So:

• πίνω καφέ = I drink coffee
• πίνω τον καφέ = I drink the coffee / I’m drinking my coffee, depending on context

In your sentence, it is general and indefinite:

• πολύ καφέ = a lot of coffee

So no article is needed.

Δεν έχω φάει is the perfect tense in Modern Greek.

It is formed with:

• έχω = I have
• φάει = past participle-like form of eat

So:

• έχω φάει = I have eaten
• δεν έχω φάει = I have not eaten / I haven’t eaten

In this sentence, it means the speaker has not eaten before or by the time they drink the coffee.

This is a very common learner question.

• δεν έχω φάει = I haven’t eaten

  • focuses on the current result/relevance
  • suggests the person is still in the state of not having eaten

• δεν έφαγα = I didn’t eat

  • simple past
  • refers more to a completed past event

In this sentence, δεν έχω φάει is used because the lack of food still matters now: that is why the person feels shaky.

So Greek is expressing something like:

• I get shaky when I drink a lot of coffee and I haven’t eaten.

In Greek, δεν is the standard negation word for verbs in the indicative, and it comes directly before the verb.

So:

• έχω φάει = I have eaten
• δεν έχω φάει = I have not eaten

This is normal Greek word order for negation.

Not completely. Greek word order is more flexible than English, although some orders sound more natural than others.

The given sentence:

• Τρέμω λίγο όταν πίνω πολύ καφέ και δεν έχω φάει.

is very natural.

But Greek could also say things like:

• Όταν πίνω πολύ καφέ και δεν έχω φάει, τρέμω λίγο.

This version puts the when-clause first. It means the same thing, just with a slightly different focus or rhythm.

Yes. Here και means and.

It links the two conditions:

• πίνω πολύ καφέ = I drink a lot of coffee
• δεν έχω φάει = I haven’t eaten

So the speaker gets shaky when both are true:

• they drink a lot of coffee
• they haven’t eaten

It is most naturally understood as a general statement or repeated experience.

Because it uses:

• present tense τρέμω
• present tense πίνω
• the time word όταν

it sounds like:

• I get a little shaky when I drink a lot of coffee and haven’t eaten

If you wanted to describe one specific past event, Greek would usually use past forms instead.

A few natural translations are:

• I get a little shaky when I drink a lot of coffee and haven’t eaten.
• I shake a little when I drink too much coffee and haven’t eaten.
• I get a bit shaky when I drink a lot of coffee without having eaten.

All of these capture the Greek well. The most natural everyday English version is probably:

• I get a little shaky when I drink a lot of coffee and haven’t eaten.

Yes. Φάει comes from the verb τρώω (I eat), which is somewhat irregular.

Some important forms are:

• τρώω = I eat
• έφαγα = I ate
• έχω φάει = I have eaten

So learners often need to memorize that:

• the present stem is τρω-
• but the aorist/perfect-related form uses φαγ-/φάει

That is why δεν έχω φάει may not look obviously connected to τρώω at first.

A rough pronunciation guide is:

• Τρέμω → TREH-mo
• λίγο → LEE-gho
• όταν → OH-tan
• πίνω → PEE-no
• πολύ → po-LEE
• καφέ → ka-FEH
• και → keh
• δεν → then or then(d) depending on the next sound
• έχω → EH-ho
• φάει → FA-ee

A rough full reading:

TREH-mo LEE-gho OH-tan PEE-no po-LEE ka-FEH keh then EH-ho FA-ee.

Not perfect IPA, but useful for an English speaker starting out.