biga waseo tteokbokkireul baedalhae dallago haesseo.

Because it was raining, I asked for tteokbokki to be delivered.

Breakdown of biga waseo tteokbokkireul baedalhae dallago haesseo.

• ~를: object particle
• ~가: subject particle
• 비: rain
• 오다: to rain

Questions & Answers about biga waseo tteokbokkireul baedalhae dallago haesseo.

What does 비가 와서 mean here?

Here, 비가 와서 means because it was raining or since it was raining.

Breakdown:

• 비가 오다 = to rain
  
  • literally, rain comes
• 와서 = 오다
  • -아서/어서

The ending -아서/어서 often connects two clauses and can mean:

• and then
• because / so

In this sentence, it is understood as because, so the idea is:

It was raining, so...

Why does Korean say 비가 오다 for to rain?

That is just the standard Korean expression for weather.

Some common patterns are:

• 비가 오다 = it rains
• 눈이 오다 = it snows

So Korean does not usually say something equivalent to rain falls in the everyday basic form. Instead, it uses 비가 오다, literally rain comes.

Also notice the particle:

• 비가 uses -가, because 비 is the subject of 오다

How should I break down 떡볶이를 배달해 달라고 했어?