勝かって兜かぶとの緒おを締しめよ

expression

don't let your guard down after a victory; tighten your helmet strings after winning

Proverb warning against complacency after success; literally 'after winning, tighten the strings of your helmet'.

• 試し合あいに勝かったからといって、勝かって兜かぶとの緒おを締しめよの精せい神しんで次つぎの練れん習しゅうに臨のぞもう。

  Just because we won the match, let's approach the next practice with the spirit of 'don't let your guard down after a victory.'