真剣勝負

しんけんしょうぶ

noun, no-adjective

•

fighting with real swords, game played in real earnest(yojijukugo)

真	true, reality, Buddhist sect
剣	sabre, sword, blade, clock hand
勝	victory, win, prevail, excel
負	defeat, negative, -, minus, bear, owe, assume a responsibility

。

たいいく

じゅぎょう

・・・

しんけんしょうぶ

いきご

のぞ

、

じっせん

い

とき

やくた

Oh my. However much it's just a P.E. class; if you don't face it in real earnest, then when it comes to a real fight it won't do you any good