〈 become suddenly angry突然發怒；突然發火 〉

*Don't fire up like that． No one meant to hurt your feelings．不要這樣發火，誰也沒有要存心傷害你的感情。

*He fired up as soon as he saw me．他一看見我就發火。

*This old lady fires up at the least thing．這老太太為一點小事就會發火。

flare out

突然發怒