Japanese Idioms, Phrases & Proverbs

Yojijukugo (4-Character Idioms)

夙夜夢寐 しゅくやむび shukuyamubi
夙興夜寝 しゅくこうやしん shukukouyashin

Idioms

夙に起き夜半に寝ぬ つとにおきよわにいぬ tsutoniokiyowaniinu