詞條：杯水車薪
bēishuǐ-chēxīn
[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] 用一杯水去撲滅一車燃燒的柴草。比喻力量太小,無濟於事
猶以一杯水,救一車薪之火也。－－《孟子·告子上》
相關：杯水車薪 反義詞、 杯水車薪 近義詞