skin deep

基本解釋

That beauty's only skin deep, that fashion creates unrealistic expectations, or that we're the chumps for buying into it?
美麗是膚淺的，時尚是不切實際的期待，還是我們只是一群替時尚買賬的笨蛋？
In these circumstances, the politics of morality can seem little more than skin deep: essentially an electoral tactic, suitable for a moment when reform is not a plausible way to win votes.
在這種境地下，道德政治可能只會相當膚淺：基本上只是一種適合于改革不是爭取選票的可行方式時期的競選策略。
If the spot on his skin is white but does not appear to be more than skin deep and the hair in it has not turned white, the priest is to put the infected person in isolation for seven days.
若火斑在他肉皮上是白的，現(xiàn)象不深于皮，其上的毛也沒有變白，祭司就要將有災病的人關(guān)鎖七天。

He is so close you can see his white ivory tusks and the deep lines in his gray skin.
These are very deep lesions that go not just on the surface of your skin like a blister would, but down into the dermis or deeper layers of the skins, as well.
這些傷非常深,它們不僅像水泡那樣存在于皮膚表面,還深入到真皮層或者皮下更深的地方
耶魯公開課 - 生物醫(yī)學工程探索課程節(jié)選

We just have to remember that the meanings behind these tattoos are more than skin deep.
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In fact, as any reading of recent history that goes more then skin deep will immediately demonstrate, they are completely and utterly superfluous.
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Something that is only skin deep is not a major or important feature of something, although it may appear to be.