万(まん)一(いち) man'ichi明日(あした) ashita梅雨(づゆ) zuyuに ni入(はい)っ()た()ら() haittaraどうしよう doushiyou。 What should I do if the rainy season starts tomorrow? weatherhypothetical situations~たら (conditional)万一 (if by chance)どうしよう (what should I do)梅雨に入る (rainy season starts)梅雨 (rainy season)