◆寸鉄、人を刺す Suntetsu hito wo sasu.
- 解釈：短いが適切な言葉で、人の急所や要点を突くことのたとえ。「寸鉄」は小さい刃物。転じて警句や警語、風刺（ふうし）のことをいう。
- Literal：A person is stabbed with iron of 1 "sun" (unit of length).
- Interpretation：One utterance is appropriate. The target has been obtained. It is sharp.
- 類義：寸鉄、人を殺す。