

미국 고등학교에서 시니어는 4학년을 말해요.
[mikuk kotɯŋhakk͈joesʌ siniʌnɯn 4haŋnjʌnɯl malɛjo.]
In American high schools, a senior is a student in the fourth year.
내년이면 형도 드디어 시니어가 돼요.
[nɛnjʌnimjʌn hjʌŋto tɯt͡ɕiʌ siniʌka twɛjo.]
Next year, my older brother will finally be a senior.
시니어 학생들은 졸업 준비 때문에 바빠요.
[siniʌ haks͈ɛŋtɯlɯn t͡ɕolʌp t͡ɕunpi t͈ɛmune pap͈ajo.]
Senior students are busy preparing for graduation.
"시니어" is in the lesson "Education" (Level 35), along with 10 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.