zizyou ga wakaru made, syousyou matte kudasai.

まで means until.
The pattern is:

• dictionary form + まで = until ...

So 事情が分かるまで means until the situation/circumstances become clear.

A common point of confusion is まで vs までに:

• まで = until
• までに = by, before a deadline

So this sentence uses まで because the listener should keep waiting until that point.

In Japanese, clauses that come before words like まで usually use the plain form, even when the whole sentence is polite.

So:

• 事情が分かるまで = until the situation becomes clear
• 待ってください = please wait

It is very normal for the first part to be plain and the final request to be polite.
You do not need 分かりますまで here.

Because 分かる usually takes が, not を.

In English, we say understand something, so it feels like the object should be marked with を. But in Japanese, 分かる works more like be understandable / become clear, so the thing understood is often marked with が.

So:

• 事情が分かる = the circumstances become understood / the situation becomes clear

This is one of the most important grammar differences for learners to remember.

分かる and 知る are related, but they are not the same.

• 知る = to learn, find out, come to know
• 分かる = to understand, to become clear

In this sentence, the idea is that the facts or circumstances are not clear yet, and once they become clear, the waiting can end. That matches 分かる very well.

So 事情が分かるまで has the nuance of until we understand the situation / until the circumstances become clear.

事情 means something like:

• circumstances
• the situation
• the background of what is going on
• the reason behind something

It often sounds a little more like the circumstances behind the matter than just a simple situation.

So 事情が分かる is not just we know one fact; it suggests we understand what is really going on.

少々 means a little or for a moment, but it is more polite and formal than 少し or ちょっと.

In requests, it often softens the expression:

• 少々待ってください = please wait a moment

You will hear this a lot in customer service, announcements, or formal situations. It sounds more refined than casual everyday speech.

This is the て-form + ください pattern, which makes a polite request.

• 待つ = to wait
• 待って = te-form
• 待ってください = please wait

So this part is simply a polite request to the listener. It is firm but still polite.

That is very common in Japanese. The subject is often omitted when it is understood from context.

In this sentence, the omitted subject is usually something like:

• we
• I
• the staff / the speaker’s side

So the sentence often implies something like:

• Please wait a moment until we understand the situation.

Japanese often leaves this unsaid because the situation makes it obvious.

Normally, 事情が分かる is the most natural form here.

Using が presents 事情 as the thing that becomes clear. If you changed it to 事情は, it would add a contrastive or topical nuance, like as for the situation... That is possible in some contexts, but it sounds different.

So for a neutral sentence like this, 事情が分かるまで is the standard choice.

The comma is there to make the sentence easier to read.

Japanese commas are often used after a time phrase or condition at the beginning of a sentence, especially when that part is a little long:

• 事情が分かるまで、少々待ってください。

It separates:

• until the situation becomes clear
• please wait a moment

The comma is helpful, though in some cases Japanese punctuation can be flexible.

Yes, it is polite and somewhat formal.

That feeling comes from:

• 少々 instead of a more casual word like ちょっと
• 待ってください, which is polite request language

This would fit well in workplaces, customer service, or any situation where the speaker wants to sound respectful. In casual conversation, someone might say something more like 事情が分かるまで、ちょっと待って.

Not quite. A better literal way to think of it is:

• until the circumstances become understood
• until the situation becomes clear

That is closer to how 分かる works in Japanese.
This helps explain why が is used: 事情 is the thing that becomes clear or understandable.