痩やせ腕うで

noun

thin arm; skinny arm

Literally a thin or scrawny arm. Often used in self-deprecating or descriptive contexts.

• 彼かの女じょは痩やせ腕うでを気きにしている。

  She is self-conscious about her thin arms.

noun

meager income; small earnings

Figurative use likening a small income to a thin arm. Slightly dated or literary, but still understood.

• 痩やせ腕うでで家か族ぞくを養やしなうのは大たい変へんだ。

  It's hard to support a family on a meager income.