변경change; alteration 변동change; fluctuation 변화change 가변variability 가변성variability; changeability 가변적being variable 가변적changeable; changing; variable 개변change; reformation; renovation 격변sudden change; rapid change; violent upheaval; cataclysm 격변기period of upheaval

이상abnormality 이국적being exotic 이국적exotic 이성the other sex; the opposite sex 차이difference 차이점difference 특이being unusual; being unique 특이점singularity 경이wonder; marvel; eye-opener 경이감wonder