הוא מדבר כאילו הוא המאמן.

כאילו means as if or like.

So הוא מדבר כאילו הוא המאמן means He talks as if he is the coach / He talks like he’s the coach.

In everyday Hebrew, כאילו is very common. It can also be used in casual speech a bit like like, but in this sentence it has the clear meaning as if.

The first הוא is the main subject:

• הוא מדבר = he speaks / he talks

The second הוא begins the clause after כאילו:

• כאילו הוא המאמן = as if he is the coach

So the full structure is:

• הוא מדבר = he talks
• כאילו הוא המאמן = as if he is the coach

Hebrew often repeats the subject in this kind of sentence, just as English does:

• He talks as if he is the coach

In present-tense Hebrew, there is usually no separate word for am / is / are.

So:

• הוא המאמן literally = he the coach
• but it means = he is the coach

That is completely normal Hebrew.

Compare:

• אני עייף = I am tired
• היא מורה = She is a teacher
• הוא המאמן = He is the coach

In past or future, Hebrew does use forms of to be:

• הוא היה המאמן = he was the coach
• הוא יהיה המאמן = he will be the coach

מאמן means coach or trainer.

With the prefix ה־, it becomes המאמן = the coach.

So:

• מאמן = a coach
• המאמן = the coach

The ה־ is the Hebrew definite article, equivalent to English the.

In Hebrew, predicate nouns are often definite when talking about a specific role or identity.

So:

• הוא המאמן = he is the coach

This sounds natural if you mean a particular coach, not just any coach.

If you said:

• הוא מדבר כאילו הוא מאמן

that would sound more like:

• He talks as if he’s a coach or
• He talks like he’s some kind of coach

But המאמן usually means a specific coach, probably the coach in the situation.

A common pronunciation is:

Hu medaber ke’ilu hu hame’amen.

Rough breakdown:

• הוא = hu
• מדבר = medaber
• כאילו = ke’ilu
• הוא = hu
• המאמן = hame’amen

Notes:

• מדבר is stressed on the last syllable: me-da-BER
• כאילו is roughly keh-EE-loo
• המאמן is roughly ha-meh-a-MEN

מדבר is the masculine singular present-tense form of the verb לדבר (to speak / to talk).

Here are some present-tense forms:

• אני מדבר / מדברת = I speak
• הוא מדבר = he speaks
• היא מדברת = she speaks
• הם מדברים = they speak
• הן מדברות = they speak

So in your sentence, מדבר agrees with הוא.

You would change both the subject pronoun and the present-tense verb form:

• היא מדברת כאילו היא המאמנת.

That means:

• She talks as if she is the coach.

Changes:

• הוא → היא
• מדבר → מדברת
• המאמן → המאמנת if the coach is female

If the woman is speaking as if she were a male coach, you could still use המאמן, but normally the noun matches the actual gender of the person being referred to.

Very often, a sentence like this sounds critical, annoyed, or sarcastic.

הוא מדבר כאילו הוא המאמן often suggests:

• he is acting too important
• he is speaking with authority he doesn’t really have
• he is behaving as though he were in charge

So depending on tone, it may carry the idea:

• He talks like he’s the coach
  in the sense of
• ...but he isn’t.

The grammar itself is neutral, but the meaning in real conversation is often slightly negative.

Yes, but it means something different.

• כאילו הוא המאמן = as if he is the coach
• כמו המאמן = like the coach

So:

• הוא מדבר כאילו הוא המאמן = He talks as if he were the coach.
• הוא מדבר כמו המאמן = He talks like the coach / in the same way as the coach.

The first compares his role or attitude. The second compares his manner of speaking.

Good question. These verbs are related but not identical.

• מדבר = speaks / talks
• אומר = says

So:

• הוא מדבר כאילו הוא המאמן = He talks as if he’s the coach.
• הוא אומר כאילו הוא המאמן would sound less natural in this exact meaning.

If you want to focus on a specific statement, you might use אומר:

• הוא אומר את זה כאילו הוא המאמן = He says that as if he’s the coach.

But for someone’s general way of speaking or attitude, מדבר is the better choice.

Yes, this word order is completely natural:

• הוא מדבר כאילו הוא המאמן.

It follows a very common pattern:

• subject + verb + כאילו
  • clause

You could change word order for emphasis in some contexts, but this standard version is the normal one learners should use first.

In modern Hebrew writing, you may sometimes see a comma before כאילו, especially if the second part is a fuller subordinate clause:

• הוא מדבר, כאילו הוא המאמן.

But many people also write it without a comma:

• הוא מדבר כאילו הוא המאמן.

Both can appear, especially in informal writing. For learners, the version without the comma is perfectly fine and very common.