wet floor

Reader's　Digest 12月・1月合併号の記事 "Laughter the Best Medicine" からの引用です。

A police officer calls the station. "Sarge, I have a problem. A woman shot her husband for stepping on the floor she'd just mopped."
"Have you arrested her?" asks the sergeant.
"No," says the cop. "The floor's still wet."

今朝、東京の道路は昨夜の積雪で歩き難い。東京では年に一度あるかないかのことですが、雪国では冬中のことですよね。大変さがよく分かります。