柳やなぎの下したにいつも泥鰌どじょうはいない

expression, i-adjective

good luck does not always repeat itself; a fox is not taken twice in the same snare

Proverb warning against expecting the same good fortune to happen again just because it happened once before. Often used to caution against overconfidence or repeating a lucky break.

• 前ぜん回かいうまくいったからといって、柳やなぎの下したにいつも泥鰌どじょうはいないよ。

  Just because it worked last time doesn't mean you'll be lucky again — good luck doesn't always repeat itself.

• 一いち度ど成せい功こうしたからって同おなじ手てが通つうじると思おもうな。柳やなぎの下したにいつも泥鰌どじょうはいないんだ。

  Don't think the same trick will work again just because you succeeded once. A fox is not taken twice in the same snare.