Crippling health care bills, long emergency-room waits and the inability to find a primary care physician just scratch the surface of the problems that patients face daily.

高昂的医疗费用、急诊室里漫长的等待，以及找不到初级护理医师，这些都只是患者每天面临的问题的冰山一角。

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To make an investigation one, should go into matters deeply, not just scratch the surface.

做调查工作不能蜻蜓点水， 要深入实际。

《新英汉大辞典》

These problems just scratch the surface.

这些问题只是涉及到表面。

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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

Shadow health secretary Tim Yeo said the plans would only "scratch the surface" of the problem.

BBC: NEWS | Health | 'Health tourism' rules unveiled

But once you scratch the surface, it raises more questions about the man behind the music.

BBC: Robbie Williams

But entertainment only begins to scratch the surface of how important the tablet market truly is.

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