break-neck[英][breik nek][美][brek nɛk]极快的(速度); 双语例句1As Indian cities modernize at break-neck speed to keep pace with people's changing habits-physical fitness centers are on their way out.由于印度城市现代化极快的速度跟上步伐,改变人们的习惯-体育健身中心的出路。