n.[C]

1. 表皮
   The reform has hardly made a scratch upon the cuticle of affairs.

   改革幾乎還沒有觸到事物的表皮。

2. 【解】護膜
   The nitric acid changed the cuticle of his mouth to a yellow color.

   硝酸將他口腔裡的護膜變成了一種黃顏色。

3. 【動】【植】角質層
   Fortunately the cut didn't reach the cuticle.

   慶幸的是傷口沒有觸到角質層。

n.

1. the dead skin at the base of a fingernail or toenail.
2. the outer cellular layer of a hair.
3. Botany  & Zoology  a protective layer covering the epidermis of a plant or invertebrate.
   ▸Anatomy  the epidermis of the body.