jmdict
2766300
Active
(id:
2070500)
2766300 jmdict A [id=2070500]
百日の説法屁一つ
ひゃくにちのせっぽうへひとつ
[1][exp][id,proverb]
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