寸すん鉄てつ

noun

short blade; small weapon

Literally a very short sword or dagger; often used in historical or metaphorical contexts.

• 彼かれは寸すん鉄てつを帯おびて会かい合ごうに臨のぞんだ。

  He attended the meeting carrying a short blade.

noun

epigram; pithy saying

Figurative use: a short, sharp, and effective remark, like a small but piercing weapon. Often seen in the phrase 寸鉄人を殺す (a pithy remark can kill a person).

• 彼かれの一ひと言ことはまさに寸すん鉄てつ人ひとを殺ころすの鋭するどさだった。

  His single remark had the sharpness of a pithy saying that could kill a person.