閉(と)じ()た() tojita口(くち) kuchiの no中(なか) nakaに ni蝿(はえ) haeは waと()び()込(こ)ま()な()い() tobikomanai。 Flies don't fly into a closed mouth. proverbs and sayingsrelative clause modifying a noun閉じた口に蝿は入らない (keep your mouth shut)