Wash your hands first before playing. You just ate
slices oforange, and your hands have orange juice on them. If you don’t wash your hands first, you’ll get orange juice all over your toys, and they’ll smell like orange. You don’t want that. No, don't wipe your hand on your shirt. Look, now your shirt haveis stained with orange juice. That's a delicate piece of shirt(?). Mother will have a difficult time washing it off the orange.
Please check the text in italics if they sound natural.
Student or Learner