Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)
a fox is not taken twice in the same snare; there are no birds in last year's nest; there aren't always loach under the willow tree; good luck does not always repeat itself
Proverb
Also written 柳の下に何時も泥鰌は居ない【やなぎのしたにいつもどじょうはいない】