百ひゃっ計けい

noun

all means; every possible method

Used in expressions like 百計尽きる (to exhaust all means) or 百計を尽くす (to try every possible method). Often appears in literary or formal contexts.

• 百ひゃっ計けい尽つきて、彼かれはついに諦あきらめた。

  Having exhausted all means, he finally gave up.

• 問もん題だい解かい決けつのために百ひゃっ計けいを尽つくした。

  We tried every possible method to solve the problem.