甲乙

こうおつ

A and B, excellent and good, similarity

甲と乙

こうとおつ かぶとときのと

the former and the latter, A and B

甲乙丙

こうおつへい

ABC, 1, 2 and 3

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

甲論乙駁

こうろんおつばく

arguments pro and con

甲乙丙丁

こうおつへいてい

A, B, C and D, first, second, third and fourth

難癖付ける

なんくせつける

to blame, to find fault with

難癖を付ける

なんくせをつける

to blame, to find fault with

甲プロ付靴

こうプロつきくつ

Safety shoes with reinforced toe cap (commonly used in construction industry)

乙

おつ きのと

second in rank, second sign of the Chinese calendar

甲の薬は乙の毒

こうのくすりはおつのどく

one man's meat is another man's poison, one man's medicine is another man's poison

甲掛け

こうがけ こうかけけ

gauntlet, spats

付け

づけ つけ ツケ

bill, bill of sale, payment invoice

買い付け

かいつけ

buying, purchasing

難い

かたい にくい がたい

difficult to..., hard to...

乙亥

きのとい いつがい おつがい

twelfth of the sexagenary cycle

乙酉

きのととり いつゆう おつゆう

twenty-second of the sexagenary cycle

乙未

きのとひつじ いつび おつび

thirty-second of the sexagenary cycle

乙卯

きのとう いつぼう おつぼう

52nd of the sexagenary cycle