ひゃくにちのせっぽうへひとつ
Meanings
Expression
Proverb
Idiomatic
1. single mistake which ruins all one's hard work; one blunder rendering a long period of effort useless; (lit.) one fart in a hundred days of sermons
Composed of
hundred days; lengthy time
lecture; sermon; preaching; moralizing; moralising
wind; gas; fart; something worthless; something not worth considering
one; for one thing; only; (not) even; just (e.g. "just try it"); some kind of; one type of