Nemoj da dižeš teg pre nego što se zagreješ.

Nemoj da + present tense is a very common way to make a negative command in Serbian.

So:

• Nemoj da dižeš... = Don’t lift...
• literally, it is something like Don’t that you lift, but in real Serbian it simply functions as don’t + verb

For plural or formal you, you would use:

• Nemojte da dižete... = Don’t lift...

This is one of the first important patterns learners meet in Serbian.

In Serbian, negative commands are very often formed with:

• nemoj
  • da
    • present tense

So instead of saying a negative imperative directly, Serbian usually prefers:

• Nemoj da dižeš = Don’t lift

Compare:

• Diži teg! = Lift the weight!
• Nemoj da dižeš teg! = Don’t lift the weight!

So dižeš is 2nd person singular present, not a separate imperative form.

Because after nemoj da, Serbian normally uses the present tense form of the verb.

So even though the meaning is a command, the structure is:

• nemoj
  • da
    • present

Examples:

• Nemoj da kasniš. = Don’t be late.
• Nemoj da trčiš. = Don’t run.
• Nemoj da dižeš teg. = Don’t lift the weight.

This is just how Serbian grammar builds this kind of negative instruction.

Dizati / dići is an aspect pair:

• dizati = imperfective
• dići = perfective

Here dižeš comes from dizati, the imperfective verb. That sounds natural because the sentence is about the action of lifting weights in general, not one single completed lift.

So:

• Nemoj da dižeš teg... = don’t do weight-lifting / don’t lift the weight
• A perfective version would feel more like don’t lift it up once / don’t pick it up

In workout advice, the imperfective is very natural because it refers to the activity.

Teg means weight, such as a gym weight, dumbbell-like weight, or weight plate depending on context.

It is a masculine noun.

Here it is singular:

• teg = a weight / the weight

In Serbian, singular can sometimes be used in a generic way, where English might also use singular or plural depending on context.

You could also hear:

• Nemoj da dižeš tegove... = Don’t lift weights...

That would sound more explicitly plural/general.

Good question. Teg is the direct object, so it is in the accusative case.

But for masculine inanimate nouns, the accusative singular is usually the same as the nominative singular.

So:

• nominative: teg
• accusative: teg

That is why the form does not visibly change.

Compare with a masculine animate noun:

• vidim psa = I see the dog
  not pas

So teg stays teg because it is masculine inanimate.

Pre nego što means before.

It is a fixed expression introducing a clause:

• pre nego što se zagreješ = before you warm up

You can think of it as:

• pre = before
• nego što = part of the conjunction pattern

Learners should usually memorize pre nego što as one unit meaning before when followed by a full clause.

Examples:

• Uradi domaći pre nego što izađeš. = Do your homework before you go out.
• Operi ruke pre nego što jedeš. = Wash your hands before you eat.

It is the same form, što, but here it is not functioning as the question word what.

In pre nego što, it is simply part of the conjunction meaning before.

So in this sentence, don’t try to translate it word by word as before than what or anything like that. Just learn:

• pre nego što = before

as a set phrase.

Because zagreješ is from the perfective verb zagrejati se, and that fits the meaning well here.

The idea is:

• first, you should complete your warm-up
• then, you lift the weight

So:

• pre nego što se zagreješ = before you warm up / before you’ve warmed up

Using the perfective verb emphasizes the warm-up as a completed action.

If you used the imperfective zagrevaš se, it would sound more like an ongoing process or habitual action, which is less natural in this specific warning.

Because the verb is zagrejati se / zagrevati se, which means to warm up or to get warmed up.

The se is part of the verb. It is not optional here.

Compare:

• zagrejati nešto = to warm something up
• zagrejati se = to warm oneself up / to warm up

So:

• zagreješ supu = you warm up the soup
• zagreješ se = you warm up

In exercise contexts, zagrejati se is the normal way to say warm up.

Because se is a clitic, and clitics in Serbian usually appear in an early position in the clause, not after the verb the way English learners might expect.

So Serbian says:

• što se zagreješ

not:

• što zagreješ se

This is part of Serbian clitic placement, which also affects words like sam, si, je, ga, mi, ti, se, and so on.

At beginner level, the best habit is simply to learn common patterns like:

• da se zagreješ
• kad se vratiš
• ako se sećaš

Yes. It is addressed to one person, informally, because the verb forms are 2nd person singular:

• dižeš
• zagreješ

If you wanted to say it to multiple people, or to one person formally, you would say:

• Nemojte da dižete teg pre nego što se zagrejete.

So:

• nemoj / dižeš / zagreješ = singular informal
• nemojte / dižete / zagrejete = plural or formal

Yes, Ne diži teg... is possible and grammatical.

But nemoj da + present is extremely common and often feels more natural in everyday speech for negative commands.

So both can work:

• Ne diži teg pre nego što se zagreješ.
• Nemoj da dižeš teg pre nego što se zagreješ.

The version with nemoj da is especially useful for learners because it is very productive and common across many verbs.

Usually it means lifting weights in general, especially because of the context and the imperfective verb dižeš.

So it is more like:

• Don’t lift weights before warming up
• Don’t start lifting before you warm up

Even though teg is singular, the whole sentence can still sound like general gym advice, not necessarily one single literal weight.

Context matters, but that is the most natural interpretation.

It breaks down like this:

• Nemoj = don’t
• da dižeš teg = that you lift a weight / to lift a weight
• pre nego što = before
• se zagreješ = you warm up

So the grammar pattern is:

• Nemoj da + present verb + pre nego što + clause

A useful model sentence to remember would be:

• Nemoj da radiš X pre nego što uradiš Y.
• Don’t do X before you do Y.

Your example fits that pattern perfectly.