Mama bierze młotek, bo jeden gwóźdź jest jeszcze luźny w ścianie.

Bierze is the present tense of brać (to take), so it means is taking / takes.

• Mama bierze młotek = Mom is taking a hammer
• Mama weźmie młotek would mean Mom will take a hammer

Polish often uses the present tense where English might say is taking. So bierze is completely natural here.

Also, Polish has a common aspect pair:

• brać = imperfective (to take, ongoing/repeated/general)
• wziąć = perfective (to take, completed once)

So:

• bierze = is taking / takes
• weźmie = will take
• wzięła = took

Because młotek is the direct object of bierze, and with this verb Polish uses the accusative case.

For the noun młotek (hammer), the accusative singular is the same as the nominative singular:

• nominative: młotek
• accusative: młotek

So even though the word is in the accusative, its form does not change here.

This is very common with inanimate masculine nouns in Polish:

• mam stół = I have a table
• widzę dom = I see a house
• biorę młotek = I take a hammer

Jeden gwóźdź means one nail, and here it is the subject of the clause:

• jeden gwóźdź jest jeszcze luźny = one nail is still loose

Subjects are normally in the nominative case, so:

• jeden = nominative masculine singular
• gwóźdź = nominative singular

The adjective also agrees with the noun:

• luźny = masculine singular nominative

So the whole phrase is built in the nominative because it describes what is loose.

Bo means because.

In everyday spoken and written Polish, bo is very common and natural:

• Mama bierze młotek, bo jeden gwóźdź jest jeszcze luźny.

Ponieważ also means because, but it sounds a bit more formal or bookish:

• Mama bierze młotek, ponieważ jeden gwóźdź jest jeszcze luźny.

So in this sentence, bo is the most natural everyday choice.

Here jeszcze means still.

So:

• jeden gwóźdź jest jeszcze luźny = one nail is still loose

This suggests that the nail was already loose before, and the situation continues.

Jeszcze can have several meanings depending on context, including:

• still
• yet
• more / another

But in this sentence, still is the correct meaning.

Because luźny is an adjective, and it describes the noun gwóźdź (nail).

• gwóźdź is masculine singular
• so the adjective must match it:
  • luźny

Compare:

• gwóźdź jest luźny = the nail is loose
• jest luźno = it is loose / it is not tight in a more impersonal or adverb-like sense, which would not fit here

In this sentence, we need an adjective agreeing with gwóźdź, so luźny is correct.

Because after w meaning in, Polish normally uses the locative case.

The noun ściana (wall) changes like this:

• nominative: ściana
• locative: ścianie

So:

• w ścianie = in the wall

Compare:

• w ścianie = in the wall → location
• w ścianę = into the wall → direction/motion

Here the nail is located in the wall, not moving into it, so w ścianie is the correct form.

The dictionary form is gwóźdź, meaning nail.

Yes, many learners find it difficult at first because it has several consonants and a soft final sound.

A rough pronunciation guide:

• gw like gv
• ó sounds like u
• źdź is a soft consonant cluster, somewhat like a very softened zhdzh

You do not need to pronounce every letter separately the way an English speaker might expect. It comes out as one compact Polish sound sequence.

Useful forms:

• nominative singular: gwóźdź
• accusative singular: gwóźdź
• instrumental singular: gwoździem
• plural: gwoździe

Polish has no articles, so there is no direct equivalent of a or the.

That means:

• Mama bierze młotek can mean Mom takes a hammer or Mom takes the hammer, depending on context.

Likewise:

• jeden gwóźdź = one nail
• gwóźdź by itself could mean a nail or the nail, depending on the situation

Polish usually relies on context, word order, or words like ten (this / the one) when it needs extra clarity.

Yes, jeden literally means one, but in context it often helps highlight that it is one particular item out of several.

So:

• bo jeden gwóźdź jest jeszcze luźny = because one nail is still loose

This can imply something like:

• among several nails, one of them is still loose

Without jeden, the sentence would still work:

• Mama bierze młotek, bo gwóźdź jest jeszcze luźny.

But that would sound more like the nail is still loose or a nail is still loose, depending on context. Jeden makes the idea of one single nail more explicit.

Yes. Polish word order is more flexible than English, although not completely free.

The neutral order here is:

• Mama bierze młotek, bo jeden gwóźdź jest jeszcze luźny w ścianie.

But you could also hear:

• Mama bierze młotek, bo w ścianie jeden gwóźdź jest jeszcze luźny.
• Bo jeden gwóźdź jest jeszcze luźny w ścianie, mama bierze młotek.

These alternatives shift the emphasis a little:

• w ścianie earlier can highlight the location
• starting with bo... can make the reason come first

For a learner, the original order is a very good neutral model.

In most everyday contexts, mama is closer to mom / mum than to the more formal mother.

So:

• Mama bierze młotek sounds natural and family-like: Mom is taking a hammer

If you wanted a more formal word, you would use:

• matka = mother

But matka would usually sound less warm and less natural in an ordinary family scene.

Yes, depending on context, bierze młotek can be understood as:

• takes a hammer
• takes the hammer
• picks up a hammer
• picks up the hammer

The Polish verb brać is fairly broad. The exact English translation depends on what is happening in the scene.

If the meaning shown to the learner is something like Mom takes a hammer because one nail is still loose in the wall, that is a perfectly good translation. But in real context, picks up the hammer might also sound very natural.