an act of unprovoked aggression无端的侵犯行为Stephen was stabbed to death in an unprovoked attack nearly five months ago.斯蒂芬在近5个月前无故遭到袭击，被捅死了。Her angry outburst was totally unprovoked.她的暴跳如雷完全是无理取闹。...

unprovoked的音标：unprovoked的英式发音音标为：[ˌʌnprə'vəʊkt]unprovoked的美式发音音标为：[ˌʌnprə'voʊkt]...

adj.（尤指暴力言行）未受招惹而自发的，无缘无故的...

Stephen was stabbed to death in an unprovoked attack nearly five months ago.斯蒂芬在近5个月前无故遭到袭击，被捅死了。an act of unprovoked aggression无端的侵犯行为Her angry outburst was totally unprovoked.她的暴跳如雷完全是无理取闹。a totally unprovoked attack无端...