蜻蜓點水

qīngtíngdiǎnshuǐ

A female dragonfly lays eggs in water with a slight dip of the tail; (figuratively) scratching the surface of a problem without going deep into the substance.

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qing1 ting2 dian3 shui3

lit. the dragonfly touches the water lightly, superficial contact (idiom)

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蜻蜓點水|蜻蜓点水 [qīng tíng diǎn shuǐ] ► lit. the dragonfly touches the water lightly ► superficial contact (idiom)