勝るとも劣らぬ

まさるともおとらぬ

not at all inferior to; compare favorably (with); being even better than; rivalling; surpassing

優るとも劣らない

まさるともおとらない

not at all inferior to, rival or surpass, compare favorably (with)

優劣

ゆうれつ

(relative) merits, superiority or inferiority, quality

優勝劣敗

ゆうしょうれっぱい

survival of the fittest

何れ劣らぬ

いずれおとらぬ

equally competent

優劣の法則

ゆうれつのほうそく

(Mendel's) law of dominance

いずれ劣らぬ

いずれおとらぬ

equally competent

劣る

おとる

to be inferior to, to be less good at, to fall behind

ぬるっと

oilily; slimily; slipperily

ともすると

apt to (do), liable to, prone to

ぬるぬる

slimy, slippery

優れもの

すぐれもの

exceptional item; extraordinary product

見も知らぬ

みもしらぬ

completely unknown (usu. of people); unfamiliar; complete (stranger)

優劣つけがたい

ゆうれつつけがたい

it's hard to choose (because both are excellent)

劣らず

おとらず

with the best of them, as the next fellow

ぬらぬら

slimy, slippery

身も世もあらぬ

みもよもあらぬ

heartrending, desperate, hopeless, full of grief

優れる

すぐれる

to surpass, to outstrip, to excel

劣

れつ

inferior