54．穴部 hole; cave; den
千thousand里mile之of堤dyke，溃collapse于from蚁ant穴hole
千里之堤，溃于蚁穴means that one ant hole may cause the collapse of a thousand miles of dyke. This idiom is a warning that a slight negligence can lead to a great disaster. It is similar to the English expression – a small leak will sink a great ship.
【拼音】qiān lǐ zhī dī，huǐ yú yǐ xué
【解释】一个小小的蚂蚁洞，可以使千里长堤毁于一旦。比喻小事不注意会造成大乱子。
【出处】《韩非子·喻老》：“千丈之堤，以蝼蚁之穴溃；百尺之室，以突隙之炽焚。”
