権兵衛が種蒔きゃ烏がほじくる

ごんべえがたねまきゃからすがほじくるgonbeegatanemakyakarasugahojikuru

expression · godan verb

1. spoiling someone's work
2. useless effort
3. labouring in vain
4. if a peasant sows seeds, the crows will dig them up

Study it in Yanamino