tā / míng / zhī / wēi / xiǎn / hái / yào / tóu / zī / jiǎn / zhí / shì / fēi / é / pū / huǒ

他明知危险还要投资，简直是飞蛾扑火。

He knew it was risky but invested anyway; it was simply like a moth flying into the flame.