essential, vital, extremely important

essential, vital, extremely important

stem or continuative form of 知る (shiru) [godan]

Alternative spelling of 物知り: a person with broad knowledge, a knowledgeable person

(literally) know the other side and yourself, a hundred battles will not be perilous

慣用読み: A reading of a kanji that is commonly accepted, but originally based on a corrupted reading.

慣用音: a reading of a kanji that is commonly accepted, but originally based on a corrupted reading

Japanese-language education for non-native speakers

a normalized kanji reading that falls outside of the conventional categories (呉音 (gōon), 漢音 (kan'on), 唐音 (tō'on)), not showing the expected correspondences to the "correct" Chinese pronunciation recorded in rime dictionaries

everyday use, common usage, idiomatic usage