scratch the surface

基本解释

These problems just scratch the surface.
这些问题只是涉及到表面。
Never touch the lenses when they are dry.ray bans Aviator Dirt particles will scratch the surface. Never polish the lenses or rub them hard with a dry cloth.
不要触摸干的镜片.防光颗粒会划伤它的表面.不要使用干布用力去擦拭或磨擦.不要使用氨性清洁器;
For this reason, there is no quick fix for us today; to talk about climate change, renewable energy or staycations is merely to scratch the surface of something much deeper.
我们谈论着气候变化，可再生能源和宅度假，而这只抓住了深层信息表面上的一些皮毛。

All we're going to do here is really just, once again, scratch the surface.
我们在这里只是，肤浅地解析一下。
耶鲁公开课 - 死亡课程节选
So, they developed this bifurcated tool, which would be appl--you'd put the stuff on the surface of the tool and then you'd scratch the skin in a certain way so that you could produce sort of a reproducible introduction of the vaccine into the skin.
所以他们发明了一种分为两叉的工具,把疫苗抹在这种工具表面上,然后以某种方式在皮肤上刮,这样就能将疫苗,重复不断地引入到皮下
耶鲁公开课 - 生物医学工程探索课程节选

But entertainment only begins to scratch the surface of how important the tablet market truly is.
FORBES: As iPad Mini Looms, Tablets Give Tech Giants Headaches
Companies like Rouxbe and Culinapp and similar folks are just starting to, I think, scratch the surface.
FORBES: Investment Strategy- Physic Venture's Plans for Food & Health Tech