적성aptitude 적용application 적응adaptation; adjustment 최적the most suitable; being optimal 부적격being unqualified 부적격자unqualified person 부적응maladjustment 부적합being unsuitable; being unfit; being inappropriate 유유자적worry-free, comfortable life 적격perfect fit; being qualified

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