甲乙つけがたい

こうおつつけがたい

difficult to say which of the two is better; hard to tell which is better; (there is) little to choose between them

Also written 甲乙付けがたい、甲乙付け難い

Meaning

expadj-i
difficult to say which of the two is better; hard to tell which is better; (there is) little to choose between them

Example sentences

「どっちの訳がいいと思う？」「どっちも自然な訳で、甲乙つけがたいね」

"Which translation is better?" "It's hard to tell, they're both natural translations."