사전dictionary 국어사전Korean dictionary 기념사commemorative address 사표resignation; letter of resignation 전자사전electronic dictionary 추도사memorial address 축사congratulatory message 취임사inaugural address; inauguration speech 환영사welcome address; welcome speech 간행사publisher's note

담임homeroom teacher; being in charge of class 임무mission; duty; assignment 책임duty; responsibility; obligation 책임감sense of responsibility 책임자person in charge 초임first post; first duty 취임inauguration; taking office 취임사inaugural address; inauguration speech 취임식inauguration; inaugural ceremony 퇴임retirement