飞蛾投火[ fēi é tóu huǒ ]

⒈ 飞蛾扑向灯火，比喻自取灭亡。例我已曾着人拿住杨景、焦赞两个，正是飞蛾投火，不怕他不死在手里。——《元曲选·谢金吾》英a moth darting into a flame; (fig) bringing destruction upon oneself;