hack; inferior horse
Literary term for a horse of poor quality, not used in everyday conversation.
In old tales, a poor samurai riding a hack appears.
inferior person; incapable person
Humble self-deprecating metaphor; compares oneself to a worthless horse. Rare and literary.
For an incapable person like me, that duty is too heavy.
Kana spelling for clarity, as the kanji are obscure.
Composed of 駑 (slow, inferior horse) and 馬 (horse). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning 'inferior horse'.