noun (common) (futsuumeishi) yojijukugo the wise readily adapt themselves to changed circumstances;the wise are quick to acknowledge their mistakes and correct them

noun (common) (futsuumeishi) yojijukugo the wise make no scruple in suddenly changing their demeanor

noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb sudden change;complete change