本ほん調ちょう子し

noun

normal condition; usual state; one's best form

Often used in the negative 本調子ではない or in expressions like 本調子に戻る to mean not feeling well or returning to normal. Can refer to health, performance, or general condition.

• 風邪かぜが治なおったばかりで、まだ本ほん調ちょう子しじゃない。

  I just got over a cold and am still not back to my usual self.

• 彼かれは本ほん調ちょう子しを取とり戻もどし、試し合あいで活かつ躍やくした。

  He regained his form and played well in the match.

noun

keynote; proper key (esp. shamisen)

Music term, especially in traditional shamisen music, referring to the fundamental tuning or key. Also used more broadly for the correct pitch or key in other musical contexts.

• 三味線しゃみせんの本ほん調ちょう子しは、初しょ心しん者しゃが最さい初しょに習ならう調ちょう弦げんです。

  The shamisen's honchōshi tuning is the first tuning beginners learn.