cutthroat/ˈkʌtθrəut; `kʌtˌθrot/ adj[usu attrib 通常作定语]ruthless; intense 凶残的; 极度的; 剧烈的 cutthroat competition, business practices 你死我活的竞争、 残酷无情的商业手段.
牛津英汉双解词典