糸いと目め

noun

fine line; thin line

Refers to a very thin line, often drawn or engraved. Also used figuratively for a delicate boundary.

• 職しょく人にんが糸いと目めのような細ほそい線せんを彫ほった。

  The craftsman carved a line as fine as a thread.

noun

weight of thread; thread weight

Used in contexts like sewing or textile work to refer to the thickness or weight of thread.

• この布ぬのにはもう少すこし糸いと目めの太ふとい糸いとを使つかったほうがいい。

  For this fabric, it's better to use a slightly thicker thread.

noun

slit-eyed; narrow-eyed

Colloquial and often vulgar term for eyes that are very narrow, like slits. Can be derogatory.

• あの男おとこは糸いと目めで、いつも何なにを考かんがえているかわからない。

  That guy has slit eyes, and you never know what he's thinking.