一皮|ひとかわhitokawa[2]nakadaka (mid-high)

1. nounveneer; outer layer that conceals something's true nature; one layer of skin

• Related表面ひょうめんNeutralThe outermost layer of an object, or appearances generally; 「一皮」 is mostly seen in 「一皮むけば」, for the true self revealed once the disguise is shed.
• Related見かけみかけNeutralHow something looks from the outside; 「一皮」 stresses the outer layer that hides what someone or something really is.
• RelatedうわべNeutralSurface or mere pretense, as in 「上辺だけの付き合い」; 「一皮」 typically pairs with 「むける」.
• Related上っ面うわっつらCasualColloquial word for a shallow, superficial outside; 「一皮」 shows up mostly in 「一皮むける」, meaning to mature or come into one's own.

For outward looks say 「見かけ」, for a surface 「表面」, for mere pretense 「上辺」. 「一皮」 mostly appears in two idioms: 「一皮むけば」, once the facade is peeled away, and 「一皮むける」, growing more mature.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 物ものの表面ひょうめんにある薄うすい層そう。本当ほんとうの姿すがたを隠かくすもの。