

갑자기 비가 와요.
[kapt͈͡ɕaki pika wajo.]
It's suddenly raining.
왜 갑자기 웃어요?
[wɛ kapt͈͡ɕaki usʌjo?]
Why are you suddenly laughing?
어제 갑자기 친구가 집에 왔어요.
[ʌt͡ɕe kapt͈͡ɕaki t͡ɕʰinkuka t͡ɕipe was͈ʌjo.]
Yesterday a friend suddenly came over to my place.
"갑자기" is in the lesson "When" (Level 42), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.