飞蛾投火

fēi é tóu huǒ

lit. like a moth flying into the fire (idiom); fig. to choose a path to certain destruction

飞

fēi

to fly

蛾

é

(bound form) moth

投

tóu

to throw (sth in a specific direction: ball, javelin, grenade etc)

火

huǒ

fire