蚍蜉撼树 pífúhànshù futile effort Origin Definitions Defs Strokes Stroke Words Sentences Sents 蚍蜉 pífú large ant (literary) a type of large ant撼 hàn nounverb to shake (bound form) to shake; to vibrate; to move something树 樹 shù noun tree tree; various types of woody plants