今: modern; present-day; nowaday ...乃: be; be really; be indeed知: know; realize; be aware of知之: fantastic plastic machine; innocentsphere; tomoyuki kimura知之为知之: don't pretend to know what you don't know.; know what one really understands全知之: omniscient知之辅: tomonsuke知之介: tomonsuke知之氏: fantastic plastic machine; fpm知之助: tomonsuke知之资: tomonsuke不知之云: the cloud of unknowing何以知之: how do you know全知之眼: all seeing eye生而知之: be born with knowledge; intuitive knowledge; know without learning田中知之: fantastic plastic machine; fpm; tomoyuki tanaka未知之事: sealed book; unknown无知之幕: veil of ignorance无知之徒: an ignorant fellow无自知之明: overestimate oneself; have too high an opinion of oneself; ignorant of one's own limitations; lack of self-knowledge; not have a proper appraisal; suffer from self-delusion先知之城: madinat al-nabi学而知之: wisdom obtained by studies有自知之明: know one's distance知之需求: need for understanding自知之明: know one's limitations; have a clear estimation of oneself; know oneself; know oneself well enough; know one's place; know one's strengths and weaknesses; (have) the wisdom to know oneself; self-knowledge