(literary) return; repayment / (literary, by extension) reply letter / (literary, by extension) messenger sending such a letter

(poetic, rare) to send a return letter, to reply in writing

Alternative spelling of 吏部

plum blossom

Western plum (Prunus domestica)

to know through one's own experience

complete denial of knowing (an incident in question)

(Classical Japanese, archaic, honorific) to know

God only knows

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