

퇴근 이후에는 전화하지 마세요.
[tʰwekɯn iuenɯn t͡ɕʌnwaat͡ɕi masejo.]
Don't call me after work.
그날 이후로 연락이 없어요.
[kɯnal iulo jʌllaki ʌps͈ʌjo.]
I haven't heard from them since that day.
오후 세 시 이후에 다시 전화 주세요.
[ou se si iue tasi t͡ɕʌnwa t͡ɕusejo.]
Please call me back after 3 p.m.
"이후" is in the lesson "Time 2" (Level 35), 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.