לא תמיד הכרחי להדפיס את המסמך; לפעמים מספיק להראות אותו בטלפון.

Yes. לא תמיד means not always.

• לא = not
• תמיד = always

So לא תמיד הכרחי... literally means It is not always necessary...

A useful nuance:

• לא תמיד = not always
  This suggests sometimes yes, sometimes no.
• It does not mean never.

In this sentence, it sets up a contrast with לפעמים (sometimes) in the second half.

הכרחי is an adjective meaning necessary / essential.

In this sentence, Hebrew is using an impersonal structure, similar to English it is necessary to...:

• הכרחי להדפיס את המסמך = It is necessary to print the document
• לא תמיד הכרחי להדפיס את המסמך = It is not always necessary to print the document

This is common in Hebrew: an adjective can function as the main predicate without an explicit word for it is in the present tense.

Compare:

• זה הכרחי = This is necessary
• הכרחי להדפיס = It is necessary to print

So the sentence is natural even though there is no separate present-tense verb meaning is.

Because in present-tense Hebrew, the verb to be is usually omitted.

So where English says:

• It is not always necessary...
• Sometimes it is enough...

Hebrew often simply says:

• לא תמיד הכרחי...
• לפעמים מספיק...

This is one of the most important patterns in Hebrew.

Examples:

• הוא עייף = He is tired
• החדר גדול = The room is big
• מספיק להראות אותו = It is enough to show it

In past or future, Hebrew would use forms of להיות:

• היה הכרחי = it was necessary
• יהיה מספיק = it will be enough

Because they are infinitives.

In Hebrew, infinitives usually begin with ל־, often corresponding to English to:

• להדפיס = to print
• להראות = to show

So:

• הכרחי להדפיס = necessary to print
• מספיק להראות = enough to show

This is a very common structure after words like:

• צריך = need to
• אסור = forbidden to
• אפשר = possible / allowed to
• כדאי = כדאי to / advisable to
• הכרחי = necessary to
• מספיק = enough to

את marks a definite direct object.

Here:

• להדפיס = to print
• את המסמך = the document as the direct object

So:

• להדפיס את המסמך = to print the document

Hebrew uses את before a direct object when that object is definite, such as:

• with ה־ (the)
• a name
• a pronoun
• something with possession

Examples:

• ראיתי את הספר = I saw the book
• פגשתי את דנה = I met Dana
• קניתי את המכונית שלו = I bought his car

But:

• להדפיס מסמך = to print a document
  No את, because it is indefinite.

Because the sentence is talking about the document, not just a document.

• מסמך = a document / document
• המסמך = the document

Since the meaning given is the document, Hebrew uses the definite article ה־ attached to the noun:

• המסמך

And once the object is definite, it also requires את:

• את המסמך

So the combination:

• את המסמך means the document as a definite direct object.

This is another impersonal Hebrew structure.

מספיק means enough / sufficient. In this sentence it means:

• לפעמים מספיק להראות אותו בטלפון
• Sometimes it is enough to show it on the phone

Just like with הכרחי, Hebrew does not need an explicit it is in the present tense.

So literally, the structure is more like:

• Sometimes enough to show it on the phone

But idiomatically in English:

• Sometimes it’s enough to show it on the phone

להראות means to show.

That fits the meaning:

• instead of printing the document,
• sometimes it is enough to show it on your phone.

This is different from:

• לראות = to see

So:

• להראות = to show
• לראות = to see

That distinction is important:

• אני רואה את המסמך = I see the document
• אני מראה את המסמך = I show the document

In the sentence:

• להראות אותו בטלפון = to show it on the phone

אותו means him or it as a masculine singular direct object pronoun.

It refers back to המסמך (the document), which is a masculine singular noun.

So:

• המסמך = the document
• אותו = it

That is why the sentence says:

• להראות אותו = to show it

Some other object pronouns:

• אותה = her / it (feminine singular)
• אותם = them (masculine or mixed plural)
• אותן = them (feminine plural)

Example comparison:

• אני מראה אותו = I show it/him
• אני מראה אותה = I show it/her

Because מסמך is masculine, אותו is correct.

In modern everyday Hebrew, להראות אותו is the normal and natural way.

You may encounter older or more literary attached forms in some contexts, but for a learner, the important pattern is:

• verb + independent object pronoun

Examples:

• ראיתי אותו = I saw him/it
• קניתי אותה = I bought it/her
• אפשר לשלוח אותם = it’s possible to send them

So here:

• להראות אותו is exactly what most learners should say.

Yes, ב־ often means in, but it also has broader meanings such as on, at, or by means of, depending on context.

Here:

• בטלפון literally looks like in the phone
• but idiomatically it means on the phone or using the phone

So:

• להראות אותו בטלפון = to show it on the phone

This is very natural Hebrew. The idea is that the document is being displayed on the phone screen or via the phone.

A few other examples where ב־ is not simply in:

• לנסוע באוטובוס = to travel by bus
• לכתוב בעט = to write with a pen
• להסתכל במראה = to look in the mirror

So prepositions in Hebrew, as in English, do not always map one-to-one.

The semicolon links two closely related clauses:

• לא תמיד הכרחי להדפיס את המסמך
• לפעמים מספיק להראות אותו בטלפון

It shows a strong connection between the two ideas:

1. printing is not always necessary
2. showing it on the phone may be enough

In less formal writing, many people might use a comma or even split it into two sentences. The semicolon is just a punctuation choice; it does not change the grammar of the Hebrew.

The given word order is natural and clear, but Hebrew does allow some flexibility.

Standard version:

• לא תמיד הכרחי להדפיס את המסמך; לפעמים מספיק להראות אותו בטלפון.

Possible variations for emphasis might include:

• להדפיס את המסמך לא תמיד הכרחי.
• לפעמים מספיק בטלפון להראות אותו.
  This is less neutral and sounds more marked.

For learners, the original order is the best one to copy because it sounds natural and straightforward:

• adverb first (לא תמיד, לפעמים)
• predicate adjective (הכרחי, מספיק)
• infinitive phrase

A simple pronunciation guide:

• לא תמיד הכרחי להדפיס את המסמך; לפעמים מספיק להראות אותו בטלפון.
• lo tamid hechrechi lehadpis et hamismakh; lif'amim maspik lehar'ot oto batelefon

A few pronunciation notes:

• הכרחי is commonly pronounced roughly hech-re-KHI
• להדפיס = le-had-PIS
• מסמך ends with the throaty kh sound: mis-MAKH
• להראות = le-har-OT
• אותו = o-TO
• בטלפון = ba-te-le-FON

If you want to sound natural, put stress near the end of these words:

• הכרחי
• להדפיס
• מספיק
• להראות
• בטלפון

Yes, but the nuance changes.

The original:

• לא תמיד הכרחי להדפיס את המסמך means
• It is not always necessary to print the document

If you use צריך:

• לא תמיד צריך להדפיס את המסמך that means
• You don’t always need to print the document

This is also natural, but:

• הכרחי sounds a bit more formal and objective
• צריך sounds a bit more everyday and practical

So both are possible, but the original sentence has a slightly more formal tone.

It is mostly neutral to slightly formal.

Why?

• הכרחי is a somewhat formal word compared with צריך
• the semicolon also gives it a slightly more polished written style

But the sentence is still very natural and modern. It would fit well in:

• office communication
• instructions
• administrative writing
• formal spoken explanation

A more casual version might be:

• לא תמיד צריך להדפיס את המסמך; לפעמים מספיק להראות אותו בטלפון.

Both are correct; the original is just a little more formal.