

화장실은 이 층에 있어요.
[hwat͡ɕaŋsilɯn i t͡ɕʰɯŋe is͈ʌjo.]
The restroom is on the second floor.
이 번 문제가 어려워요.
[i pʌn munt͡ɕeka ʌljʌwʌjo.]
Question two is difficult.
이 년 동안 한국어를 배웠어요.
[i njʌn toŋan hankukʌlɯl pɛwʌs͈ʌjo.]
I learned Korean for two years.
"이" is in the lesson "Numbers" (Level 3), along with 19 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.