cuticle [ˈkju:tɪkl]

以下由轻松背单词网站提供

n.表皮

the thin skin at the base of the nails on the fingers and toes

You'd never puncture the cuticle. 你无法刺穿表皮。
The reform has hardly made a scratch upon the cuticle of affairs. 改革几乎还没有触到事物的表皮。