甲乙つけがたい こうおつつけがたい Also written 甲乙付けがたい, 甲乙付け難い Meanings Expression, い-adjective difficult to say which of the two is better; hard to tell which is better; (there is) little to choose between them Kanji 甲 armor. Read as コウ. 乙 latter. Read as オツ. Jinuma: Japanese Dictionary · Word lists