

도서관 책에는 밑줄을 긋지 마세요.
[tosʌkwan t͡ɕʰɛkenɯn mitt͈͡ɕulɯl kɯtt͈͡ɕi masejo.]
Please don't underline anything in library books.
모르는 단어에 밑줄을 그었어요.
[molɯnɯn tanʌe mitt͈͡ɕulɯl kɯʌs͈ʌjo.]
I underlined the words I didn't know.
틀린 부분에 밑줄을 그어 주세요.
[tʰɯllin pupune mitt͈͡ɕulɯl kɯʌ t͡ɕusejo.]
Please underline the parts that are wrong.
"밑줄을 긋다" is in the lesson "Application" (Level 40), along with 12 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.