

이번 시험은 상당히 어려웠어요.
[ipʌn siʌmɯn saŋtaŋhi ʌljʌwʌs͈ʌjo.]
This exam was quite difficult.
서울은 물가가 상당히 비싼 편이에요.
[sʌulɯn mulkaka saŋtaŋhi pis͈an pʰjʌniejo.]
Prices in Seoul tend to be fairly high.
그 프로젝트는 시간이 상당히 걸릴 것 같아요.
[kɯ pʰɯlot͡ɕektʰɯnɯn sikani saŋtaŋhi kʌllil kʌs katʰajo.]
I think that project will take quite a lot of time.
"상당히" is in the lesson "Adverbs 4" (Level 37), 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.