get hot under the collar spokento become angry – used especially when people get angry in an unreasonable way about something that is not important〔尤指为小事〕发怒，生气:•I don't understand why people are getting so hot under the collar about it.我不明白为什么人们为这件事如此愤怒。b. have a hot temper someone who has a hot temper becomes angry very easily暴躁，急脾气⇒HOT-TEMPERED |