雨あめの降ふる日ひは天てん気きが悪わるい

expression

water is wet; it's obvious

Idiomatic expression meaning something is self-evident or stating the obvious, like saying 'water is wet' in English. The literal meaning is 'on days when it rains, the weather is bad'.

• 「雨あめの降ふる日ひは天てん気きが悪わるい」って、当あたり前まえすぎて笑わらっちゃうよ。

  Saying 'water is wet' is so obvious it makes me laugh.