The outer covering of an animal's body: skin or hide; in animals, the part that becomes fur or leather.
犬の皮は柔らかい革になる。
Dog hide becomes soft leather.
日焼けで背中の皮がむけた。
The skin on my back peeled from sunburn.
医者は傷口の周りの皮をよく調べた。
The doctor closely examined the skin around the wound.
The outer covering of fruits or vegetables (peel, rind) or the bark of a tree.
みかんの皮をむいて子どもに渡した。
I peeled the mandarin and gave it to the child.
林檎の皮には栄養が多いので丸ごと食べる人もいる。
Because apple peel has lots of nutrients, some people eat it whole.
A shell, sheath, or outer covering that wraps or protects something.
ケーブルの皮を剥いて中の線を露出させた。
I stripped the cable sheath to expose the wires inside.
その箱は紙の皮で丁寧に包まれていた。
The box was neatly wrapped in a paper covering.
A superficial appearance or mask that conceals one's true nature; a façade (as in the phrase '化けの皮').
彼の優しい態度は皮だけで、本当のところは冷淡だ。
His kind attitude is only a façade; in reality he's indifferent.
化けの皮が剥がれるという表現は、見せかけが明らかになる意味だ。
The expression 'the mask peels off' means a pretence is revealed.