הערב הולך להיות ארוך, כי עדיין צריך להשתמש בשואב האבק ולסדר את הסלון.

In Hebrew, הערב literally means the evening, but in many everyday contexts it is used the way English uses tonight.

So in a sentence like:

הערב הולך להיות ארוך

the natural English meaning is Tonight is going to be long or This evening is going to be long.

This is very common in Hebrew: a phrase that looks more literal in Hebrew may be translated more naturally in English depending on context.

הולך להיות is a very common way to say is going to be in spoken and modern Hebrew.

So:

• הולך = going
• להיות = to be

Together, הולך להיות means is going to be.

In this sentence:

הערב הולך להיות ארוך

= The evening / tonight is going to be long.

A learner should notice that Hebrew often uses this pattern the same way English uses going to for future meaning.

Because הערב is a masculine singular noun.

In Hebrew, the word הולך / הולכת / הולכים / הולכות has to agree with the noun it refers to.

Since ערב is masculine singular, we use:

• הערב הולך להיות...

If the subject were feminine singular, it would be הולכת להיות.

For example:

• השנה הולכת להיות קשה = The year is going to be difficult

because שנה is feminine.

For the same reason: ארוך must agree with הערב.

• ערב is masculine singular
• so the adjective is ארוך

Compare:

• ערב ארוך = a long evening
• שעה ארוכה = a long hour

So both הולך and ארוך are masculine singular because they match הערב.

It is natural Hebrew, especially in speech.

It sounds like something someone would say when they expect a busy or tiring evening ahead. It has the same kind of feel as English:

• Tonight’s going to be a long one.
• This is going to be a long evening.

So yes, it is natural and idiomatic.

עדיין צריך means it is still necessary or one still needs to.

In this sentence, the subject is not stated explicitly. Hebrew often does this when the subject is general, obvious from context, or not important.

So:

כי עדיין צריך להשתמש... ולסדר...

can mean things like:

• because we still need to use... and tidy...
• because I still need to use... and tidy...
• because it’s still necessary to...

The exact subject depends on context.

This is very common in Hebrew. צריך can be used almost impersonally, especially when no pronoun is mentioned.

Because Hebrew often uses singular צריך in an impersonal or general way, even when English would naturally choose we need to or you need to.

So:

• צריך לעשות משהו = you/we/one need(s) to do something

If the speaker wanted to be more specific, they could say:

• אנחנו עדיין צריכים... = we still need to...
• אני עדיין צריך... = I still need to... (male speaker)
• אני עדיין צריכה... = I still need to... (female speaker)

But leaving it as צריך makes the sentence more general and conversational.

Because after צריך you normally use the infinitive: to do, to use, to arrange, etc.

So:

• צריך להשתמש = need to use
• צריך לסדר = need to tidy / arrange

In the sentence, one צריך governs both infinitives:

צריך להשתמש בשואב האבק ולסדר את הסלון

= need to use the vacuum cleaner and tidy the living room

This is just like English: one need to can apply to two verbs.

The verb להשתמש means to use, but unlike English use, it requires the preposition ב־ before the thing being used.

So Hebrew says literally:

• להשתמש ב... = to make use of / to use ...

Examples:

• להשתמש בטלפון = to use the phone
• להשתמש במחשב = to use the computer
• להשתמש בשואב האבק = to use the vacuum cleaner

This is an important vocabulary pattern: when learning a Hebrew verb, it helps to learn which preposition it takes.

Because the noun is definite: the vacuum cleaner.

• שואב אבק = a vacuum cleaner
• שואב האבק = the vacuum cleaner

And because it comes after ב־, the preposition combines with the definite article:

• ב + שואב האבק → בשואב האבק

So:

• להשתמש בשואב האבק = to use the vacuum cleaner

Notice that the ה of ה־ is not written separately after certain prepositions because it merges into them.

This is because שואב אבק is a kind of compound expression, literally something like dust-sucker.

When such compound nouns become definite, Hebrew often puts the definiteness on the second word:

• שואב אבק = a vacuum cleaner
• שואב האבק = the vacuum cleaner

This may look strange to an English speaker, because English usually marks definiteness before the whole noun phrase. But in Hebrew this pattern is normal in many compound-like expressions.

All of those are possible meanings of לסדר, depending on context.

In this sentence, with את הסלון, the most natural meaning is:

• to tidy the living room
• to straighten up the living room

So:

לסדר את הסלון

means something like to put the living room in order.

This is a useful verb because it is very common in daily life Hebrew.

Examples:

• לסדר את החדר = to tidy the room
• לסדר את השולחן = to arrange / set / tidy the table
• לסדר משהו = to arrange or sort something out

Because את marks a definite direct object, and הסלון is the direct object of לסדר.

So:

• לסדר את הסלון = to tidy the living room

But after להשתמש, the noun is not a direct object. It comes after the preposition ב־:

• להשתמש בשואב האבק

Since שואב האבק is part of a prepositional phrase, not a direct object, there is no את.

This is a very important distinction:

• direct object of a verb → often takes את if definite
• object after a preposition → no את

Yes. כי is the normal word for because in Hebrew.

So:

כי עדיין צריך...

= because it is still necessary to... / because we still need to...

It is very common in both spoken and written Hebrew.

Yes, many learners find עדיין tricky at first.

It is usually pronounced roughly like a-DA-yin, with the stress on the second syllable.

A few things make it harder:

• the initial guttural ע
• the vowel sequence
• the ending -ין

You do not need to produce a perfect traditional ע right away to be understood, but it helps to listen to native pronunciation and repeat it several times in whole phrases, such as:

• עדיין צריך
• עדיין לא
• אני עדיין כאן

Yes. Hebrew often leaves the subject unstated, but you can make it explicit.

For example:

• הערב הולך להיות ארוך, כי אני עדיין צריך להשתמש בשואב האבק ולסדר את הסלון.
  = Tonight is going to be long, because I still need to use the vacuum cleaner and tidy the living room.
  This would be said by a male speaker.

• הערב הולך להיות ארוך, כי אני עדיין צריכה להשתמש בשואב האבק ולסדר את הסלון.
  = same, said by a female speaker.

• הערב הולך להיות ארוך, כי אנחנו עדיין צריכים להשתמש בשואב האבק ולסדר את הסלון.
  = Tonight is going to be long, because we still need to use the vacuum cleaner and tidy the living room.

The original sentence sounds more general and less explicit, which is very natural in Hebrew.