Hun sier at klesvasken lukter bedre når hun bruker litt skyllemiddel sammen med vaskepulver.

Klesvasken means the laundry or the washed clothes / load of laundry in this sentence.

It comes from:

• klær = clothes
• vask = wash / washing
• klesvask = clothes washing / laundry
• klesvasken = the laundry

In this sentence, it refers to the laundry as a whole, not to one specific item of clothing.

Norwegian often uses the definite form where English might just say laundry more generally.

So:

• klesvask = laundry, laundry washing, a laundry wash
• klesvasken = the laundry

Here, klesvasken lukter bedre is a natural way to say the laundry smells better. English does not always need the in the same situations, but Norwegian often does.

At means that.

So:

• Hun sier at ... = She says that ...

In Norwegian, at is commonly used to introduce a content clause after verbs like:

• si = say
• tro = think/believe
• vite = know

Just as in English, that can sometimes be omitted in translation, but in Norwegian at is very common and often sounds more complete.

Lukter is the present tense of lukte, which means to smell.

So:

• lukter = smells
• bedre = better

Together:

• lukter bedre = smells better

Bedre is the comparative form, like:

• god = good
• bedre = better

Even though god usually means good, Norwegian uses bedre with lukte just like English says smells better, not smells more good.

Here it means smells.

Norwegian present tense often covers both:

• simple present: smells
• sometimes present progressive meaning, depending on context

But in this sentence it clearly describes a general result or habit:

• The laundry smells better when she uses...

So the most natural English translation is smells, not is smelling.

Here når means when.

But in this kind of sentence, it often has the sense of whenever or when(ever) in a habitual situation.

So:

• når hun bruker litt skyllemiddel ... = when / whenever she uses a little fabric softener ...

This is not a one-time past event. It describes a repeated or general pattern.

Because når hun bruker ... is a subordinate clause.

In Norwegian:

• main clause questions often have verb before subject:
  • Når bruker hun skyllemiddel? = When does she use fabric softener?
• subordinate clauses keep normal subject-verb order:
  • ... når hun bruker skyllemiddel = ... when she uses fabric softener

So this sentence is not asking a question. It is stating a condition or time relationship.

Because the clause after når needs its own subject.

Sentence structure:

• Hun sier = main clause
• at klesvasken lukter bedre = content clause
• når hun bruker litt skyllemiddel ... = subordinate clause

Even though the subject is the same person, Norwegian still says:

• når hun bruker ... = when she uses ...

You cannot leave out hun here.

Litt means a little.

So:

• litt skyllemiddel = a little fabric softener

It shows quantity, but in a non-specific way. It is very common in Norwegian to use litt like this:

• litt sukker = a little sugar
• litt vann = a little water
• litt kaffe = a little coffee

Here it means she uses a small amount of fabric softener.

Skyllemiddel means fabric softener.

It is made up of:

• skylle = rinse
• middel = agent / product / substance

So literally it is something like a rinsing agent, but the natural English meaning is fabric softener.

Vaskepulver means washing powder or laundry detergent powder.

It is made up of:

• vaske = wash
• pulver = powder

So it specifically refers to powdered detergent. If it were liquid detergent, a different expression might be used.

Sammen med means together with or along with.

So:

• litt skyllemiddel sammen med vaskepulver = a little fabric softener together with washing powder

It shows that she uses both products at the same time.

Yes, the verbs are all in the present tense:

• sier = says
• lukter = smells
• bruker = uses

In Norwegian, the present tense is often used for:

• general truths
• habits
• repeated actions
• current statements

So the sentence suggests a regular situation:

• She says the laundry smells better when she uses a little fabric softener with washing powder.

It does not necessarily mean she is doing it right now.

Yes.

Hun sier at ... literally means She says that ..., so it reports what she claims or states. It does not automatically mean the speaker agrees or disagrees.

If the sentence were:

• Klesvasken lukter bedre når hun bruker ... that would sound more like a direct statement of fact.

But:

• Hun sier at ... frames it as her statement/opinion/claim.

Not exactly, but in English the meaning can feel close.

Norwegian når usually means when in repeated or expected situations. English sometimes uses when the same way:

• The laundry smells better when she uses fabric softener.

This can imply a regular cause-and-effect pattern, which may feel a bit like if she uses..., but Norwegian still uses når, not hvis, because the idea is more whenever this happens than in the event that this happens.

The sentence breaks down like this:

• Hun sier
  • main clause: She says
• at klesvasken lukter bedre
  • content clause: that the laundry smells better
• når hun bruker litt skyllemiddel sammen med vaskepulver
  • subordinate clause telling us when / whenever that happens

So the full structure is:

She says [that the laundry smells better [when she uses a little fabric softener together with washing powder]].

This is a good example of how Norwegian can stack clauses inside one sentence in a very natural way.