بعد شوي بلش الرعد والبرق، وكل الناس وقفوا عند الباب.

In Levantine, بعد شوي is a very common time expression meaning in a little while, soon, or after a short while.

In this sentence, because the main verbs are in the past, it means:

• after a little while
• a bit later

So it is not future here; it is describing what happened next.

Yes. بلش is a very common Levantine verb meaning to start or to begin.

Here, بلش means started.

A learner should know that:

• Levantine: بلش
• More formal/Standard Arabic equivalent: بدأ

So بلش الرعد والبرق means the thunder and lightning started.

This is a very common Arabic pattern.

When the verb comes before the subject, Arabic often uses a singular verb, even if the subject is plural or made of more than one item.

So:

• بلش الرعد والبرق = literally started the thunder and the lightning

That singular بلش is normal in this word order.

If the subject came first, speakers are more likely to use fuller agreement, but with this sentence as written, بلش sounds natural.

Because in Arabic, when you say the thunder and the lightning, each noun usually keeps its own definite article.

So Arabic says:

• الرعد والبرق

not:

• الرعد وبرق

This is completely normal. Arabic often repeats the with each coordinated noun.

Because of the sun letter / moon letter rule.

• In الرعد, the letter ر is a sun letter, so the l of ال is not pronounced.
  That is why it sounds like ir-raʿd or er-raʿd.

• In البرق, the letter ب is a moon letter, so the l of ال is pronounced.
  So it sounds more like il-barʔ or el-barʔ.

This is why the article is written the same way but pronounced differently.

و means and.

In Arabic, و is usually written attached to the following word, so:

• والبرق = and the lightning
• وكل = and all / and everyone

This is normal Arabic spelling. It is not a separate word with a space in ordinary writing.

وقفوا is the past tense plural form of وقف, which often means:

• stood
• stopped

In this sentence, with عند الباب (at/by the door), the most natural meaning is something like:

• they stood by the door
• they stopped at the door

The exact English wording depends on context, but the idea is that the people ended up standing/staying at the door.

Because the subject is كل الناس, which refers to a group of people.

• وقفوا = they stood / they stopped

Even though الناس can behave a little like a collective noun, in Levantine it is very normal to use plural agreement with it when you mean actual people as a group.

So:

• كل الناس وقفوا = all the people stood / everyone stood

This sounds natural in speech.

It can mean either, depending on how naturally you want to translate it into English.

Literally:

• كل = all
• الناس = the people

So literally it is all the people.

But in normal English, it can also be translated as:

• everyone
• everybody

So وكل الناس وقفوا عند الباب could be understood as:

• and all the people stood at the door
• and everyone stood by the door

عند الباب means:

• at the door
• by the door
• near the door

In Levantine, عند is very common for location near something or at someone/something.

So here it gives the idea that the people were positioned at or by the door.

It is more natural than something like في الباب, which would sound like in the door and would not fit here.

A rough pronunciation would be:

baʿd shway ballash ir-raʿd wil-barʔ, w-kell in-nās wiʔfu ʿind il-bāb

A few notes:

• بعد شوي → baʿd shway
• بلش often sounds like ballash
• الرعد → ir-raʿd
• والبرق → wil-barʔ
• وقفوا → wiʔfu
• الباب → il-bāb

Exact pronunciation varies by region, but this gives you a good Levantine-style approximation.

Yes. You may hear small variations such as:

• شوي
• شوية

Both are common in spoken Arabic, depending on the region and speaker.

In this sentence, بعد شوي is a very normal Levantine way to say after a little while or soon.