To do business
사업하다
To go to work/attend the office
출근하다
To choose, pick, decide (limited options, formal)
선택하다
To choose, pick, decide (many options, informal)
고르다
Club, society, group
동아리
Sentence
문장
To look for, seek (especially a job)
구하다
Studio apartment
원룸
Truly, really
참
To find out/look into
알아보다
To arrive
도착하다
Postpositional particle
조사
Blackboard
칠판
To explain
설명하다
Coin
동전
To use, utilise, make use of
이용하다
Letter (character)
글자
To make a sound
소리 내다
To get a job
취직하다
To be young
어리다
Mistake
실수
Scholarship
장학금