往事茫々 おうじぼうぼう Also written 往事茫茫 Meanings たる-adjective, Adverb memories of the past events (being, becoming) far and distant See also: 往事渺茫 (おうじびょうぼう). Kanji 往 outbound. Read as オウ. 事 matter 茫 wide; extensive. Read as ボウ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists