蜻蜓点水的英语:like a dragonfly skimming the surface of the water -- touch on sth. without going into it deeply; (as) a dragonfly skims the water surface; scratch the surface; touch superficially; use a ...
蜻蜓点水的法语:comme la libellule qui rase la surface de l'eau;ne faire qu'effleurer la question