-았/었더니

Meaning

1. 1

   An expression used to indicate that there is a new incident or situation, different from a past one.

   과거의 사실이나 상황과 다른 새로운 사실이나 상황이 있음을 나타내는 표현.

2. 2

   An expression used to indicate that a past incident or situation becomes the cause or reason for the following statement.

   과거의 사실이나 상황이 뒤에 오는 말의 원인이나 이유가 됨을 나타내는 표현.

Example sentences

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• 집에 왔더니 소포가 하나 와 있었다.

  When I got home, a package had arrived.

• 깜빡 졸다 일어났더니 벌써 저녁이었다.

  I dozed off, and when I woke up it was already evening.

• 수해 현장에 직접 가 보았더니 정말 처참했다.

  When I went to the flood site in person, it was truly devastating.

• 감기인 줄 알았더니 폐렴이라고 해서 지수는 깜짝 놀랐다.

  Jisu thought it was a cold, but was startled to hear it was pneumonia.

• 갑자기 왜 우산을 찾아?

  Why are you suddenly looking for an umbrella?

  날씨가 좋은 줄 알았더니 아니더라고. 구름이 많아.

  I thought the weather was nice, but it isn't. It's very cloudy.

• 백화점에는 왜 다시 가려고?

  Why are you going back to the department store?

  옷 치수가 맞는 줄 알았더니 작아서 교환해야 해.

  I thought the clothes were the right size, but they're too small, so I have to exchange them.