If you describe a situation as cut-throat, you mean that the people or companies involved all want success and do not care if they harm each other in getting it.
例句
...the cut-throat competition in personal computers.个人电脑市场上残酷无情的竞争...the cut-throat world of international finance.竞争激烈的国际金融界
英汉词典释义
adj.
不公正的;不道德的
cutthroat competition残酷的竞争
英英词典释义
Noun
1. someone who murders by cutting the victim's throat
Adjective
1. ruthless in competition;
"cutthroat competition""bowelless readiness to take advantage"
2. capable of or conducive to bloodshed;
"a cutthroat rogue""a homicidal rage""murderous thugs"