biga waseo naerimageun aju mikkeureowo.

rain

Breakdown of biga waseo naerimageun aju mikkeureowo.

• 오다: to rain
• 아주: very
• 미끄럽다: slippery

Questions & Answers about biga waseo naerimageun aju mikkeureowo.

What does 와서 mean in this sentence?

Here, 와서 means because it’s raining.

It comes from the verb 오다 (to come), which is also the verb used for rain:

• 비가 오다 = to rain

Then Korean adds -아서/어서 to show a reason or cause:

• 비가 와서 = because it’s raining / since it’s raining

This ending can also sometimes mean and then, but in this sentence it clearly gives a reason:

• Because it’s raining, the downhill is very slippery.

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Why is it 비가 와서, not something like 비를 와서?

Because 비 is the subject of the verb 오다 in this expression.

In Korean, rain is expressed as:

• 비가 오다 = rain comes → it rains

So:

• 비가 = the rain as the subject
• 오다 = to come (used idiomatically for weather like rain)

You do not say 비를 오다 because 비 is not the object here.

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Why does 오다 become 와서?