世間知らず a person who does not know [has not seen] much of the world; a person who is inexperienced in [《形式》 ignorant of] the ways of the world; a naive person 文例 彼女はまったく世間知らずだ. She knows nothing about the world. / She’s quite naive. New College Japanese-English Dictionary, 4th edition (C) Kenkyusha Ltd. 1933,1995,1998
世間知らず a person who does not know [has not seen] much of the world; a person who is inexperienced in [《形式》 ignorant of] the ways of the world; a naive person 文例 彼女はまったく世間知らずだ. She knows nothing about the world. / She’s quite naive. New College Japanese-English Dictionary, 4th edition (C) Kenkyusha Ltd. 1933,1995,1998
世間知らず a person who does not know [has not seen] much of the world; a person who is inexperienced in [《形式》 ignorant of] the ways of the world; a naive person 文例 彼女はまったく世間知らずだ. She knows nothing about the world. / She’s quite naive. New College Japanese-English Dictionary, 4th edition (C) Kenkyusha Ltd. 1933,1995,1998