真剣勝負
Meanings
Noun
1. fighting with real swords (Yojijukugo)
2. game played in real earnest (Yojijukugo)
Kanji used
Pitch accent
しんけんしょうぶ
Composed of
Examples1
おやおや。 いかな 体育 の 授業 といえど・・・ 真剣勝負 の 意気込み で 臨まなければ、 いざ 実戦 と言う 時 に 役に立ちません よ。
Well, even if it is just P.E. class, if you don't take it seriously, it won't do you any good in a real match.