berserk
/bəˈsɜːk/berserk,
adjective
- out of control with anger or excitement; wild or frenzied狂怒的; （激动得）控制不住的; 疯狂的; 狂暴的：
a man went berserk with an arsenal of guns.
一名男子发疯似的用各种枪支乱射。
词源
early 19th cent. (originally as a noun denoting a wild Norse warrior who fought with frenzy)： from Old Norse berserkr (noun)， probably from birn-, bjorn （see BEAR2） + serkr 'coat'， but also possibly from berr 'bare' （i.e. without armour）.