四: 4, four

四日: four days, fourth day of the month / 翼果: samara; winged seed (ash, maple, etc.) / 翼下: underwing (especially of an aircraft); under one's wing; under one's control

according to

According to

pretty, gorgeous, beautiful / clear, clean, pure / clean, not dirty / tidy, neat, everything put away / fair, impartial, of clear conscience

lip service; promising but empty talk / skillful completion of a task

a black-backed wagtail (Motacilla alba lugens)

pretty, beautiful

four, 4

Alternative form of 夜