ルーシー、走っちゃ駄目よ。ズボンに泥水がはねちゃうでしょ!
Lucy, don't run! Muddy water will splashon your pants!

 ルーシー! 水溜りで遊んじゃ駄目よ!
Lucy, don't play in the puddle.

 1週間ずっと雨ね。家の中にいるの、飽き飽きでしょ?
It's been raining all week. Aren't you tired of staying inside?

 うん。外出てもいい?
Yeah. Can I go out?

 うん。でもレインコート着ていきなさい。あ、長靴も忘れずに履くのよ!
OK, but you have to wear your raincoat. Oh, and don't forget your rain boots, too!