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用一杯水去救一车着了火的柴草。比喻力量太小,解决不了问题。
[a cup of water can't put out the fire on a carload of wood;try to put out a burning cartload of faggots with a cup of water—an utterly inadequate measure] 用一杯水去扑灭一车燃烧的柴草。比喻力量太小,无济于事 犹以一杯水,救一车薪之火也。——《孟子·告子上》