精せいも根こんも尽つき果はてる

expression, ichidan verb

use up all energy and willpower; be completely exhausted and lose the will to go on

Describes a state of total physical and mental depletion where one can no longer continue. Often used in narrative or emphatic contexts.

• 徹てつ夜や続つづきで精せいも根こんも尽つき果はてた。

  After pulling all-nighters, I was completely exhausted and had no will to go on.

• 彼かれは長ながい闘とう病びょう生せい