蚍蜉撼大树 词语解释蚍蜉撼大树[ pí fú hàn dà shù ]⒈ 撼:摇动。蚂蚁想摇动大树。比喻不自量力。例蚍蜉撼大树,可笑不自量。——唐·韩愈《昌黎先生集》英an ant trying to shake a big...