[] (about an activity) in which people compete with each other in aggressive and unfair ways竞争激烈的；残酷无情的；不公平的◆rival companies engaged in cut-throat competition处于激烈竞争中的对手公司◆They are struggling to compete in the cut-throat world of IT services.他们在竞争激烈的信息服务领域挣扎求存。