하한: 하한 [下限] the lowest limit; the greatest lower bound; the inferior limit(날짜의).
하학: 하학 [下學] [수업이 끝남] ending of the school day. ~ 후에 after school (is over). ~하다 leave school; come home from school; school ends for the day; school gets[lets] out.▷ 하학 시간 dismissal time.▷ 하학종 the dismi
하향: 하향 [下向]1 [아래로 향함] a downward look. ~하다 (얼굴을) look down; lower one's gaze[eyes]; (방향이) point downward.2 『증권』 a downward tendency[trend]. ~하다 begin to decline[fall]; show a downward tendency[trend].▷
예문
"This is a Chicago-down train" You ok there, Captain? "이 열차는 시카고 하행 열차입니다" 괜찮으신가요 대위님?