

모든 옷이 오십 퍼센트 세일이에요.
[motɯn osi osip pʰʌsentʰɯ seiliejo.]
All the clothes are 50 percent off.
오십 원짜리 동전 있어요?
[osip wʌnt͈͡ɕali toŋt͡ɕʌn is͈ʌjo?]
Do you have a 50-won coin?
엘리베이터로 오십 층까지 올라가요.
[ellipeitʰʌlo osip t͡ɕʰɯŋk͈at͡ɕi ollakajo.]
I take the elevator up to the 50th floor.
"오십" is in the lesson "Big numbers" (Level 4), 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.