網呑舟の魚を漏らす

あみどんしゅうのうおをもらすamidonshuunouoomorasu

expression · godan verb

1. the law has holes large enough for the most wicked men to slip through
2. the long arm of the law doesn't reach everywhere
3. fishes big enough to eat boats aren't caught by the net

Study it in Yanamino