(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

a male given name

development of symptoms throughout the entire body or body part

for symptoms to appear over a wide area

ignorance is bliss

complete denial of knowing (an incident in question)

to know through one's own experience

Used other than figuratively or idiomatically: see 一, 発. / doing something only once / (baseball, informal) home run

to have no way of knowing; to be completely ignorant of