"You've got a rash on your bottom, I'll put ointment on for you."
"A rash has broken out on your bottom, I'll put some ointment on it."
- "You've got a rash on your bottom, I'll put ointment on for you."
"you've got a rash on your bottom" 「おしりがかぶれちゃった」
"I'll put some ~ on for you" 「〜を塗ってあげるね」
"ointment" 「塗るお薬」・「お薬」
- "A rash has broken out on your bottom, I'll put some ointment on it."
"A rash has broken out" 「かぶれちゃった」
"on your bottom" 「おしりで」
"I'll put some ointment on it" 「それにお薬を塗る」
You got a rash on your bottom. Let's put some medicine ok.
You got a rash. Time for medicine.
ご質問ありがとうございます。
このシチュエーションで「おしりがかぶれちゃったね、お薬塗ろうね」は英語で「You got a rash on your bottom. Let's put some medicine ok.」と言えます。
もし、もっと簡単な言い方を使いたいなら、そうすると、「You got a rash. Time for medicine.」だけで使えると思います。
ご参考になれば幸いです。