unfitとは何ですか?Not meant or adapted for a given purpose; inappropriate: a solvent that is unfit for use on wood surfaces. Below the required standard; unqualified: an unfit parent. Not in good physical or mental health.Biology Unable to survive or produce viable offspring in a particular environment.To cause to be unsuited or unqualified: "Having run for president . . . often unfits a man for lesser or more useful subsequent work” ( Garry Wills).