不ふ甲斐がいない

i-adjective

good-for-nothing; spineless; pathetic; disappointing

Describes someone (often oneself or a close person) who lacks spirit, courage, or ability, resulting in disappointment or shame. Often used in self-reproach or criticism of someone who failed to meet expectations.

• 試し験けんに落おちて、自じ分ぶんが不ふ甲斐がいない。

  I feel pathetic for failing the exam.

• 彼かれの不ふ甲斐がいない態たい度どにがっかりした。

  I was disappointed by his spineless attitude.

• こんな結けっ果かしか出だせないなんて、不甲斐ふがいない限かぎりだ。

  It's utterly shameful that I could only produce such a result.