人じん事じを尽つくす

expression, godan verb (-su)

do everything humanly possible; exhaust all means

A set phrase meaning to try every possible avenue within human power, often used when the outcome is uncertain and one must leave the rest to fate or a higher power.

• 人じん事じを尽つくして天てん命めいを待まつ。

  Do your best and leave the rest to fate.

• 彼かれは人じん事じを尽つくしたが、結けっ果かは変かわらなかった。

  He did everything humanly possible, but the result didn't change.