今季(こんき)は一敗(いっぱ)のみで優勝(ゆうしょう)を決(き)めた。

This season, they secured the championship with only one defeat.

一敗(いっぱい)を喫(き)しただけで、彼(かれ)の評価(ひょうか)は揺(ゆ)るがなかった。

His reputation did not waver merely because he suffered one defeat.

一敗(いっぱい)を糧(かて)に再起(さいき)を図(はか)った。

He used the defeat as a stepping stone and sought to make a comeback.