breakneckKK [ˋbrekˏnɛk] /ˈbɹeɪkˌnɛk/发音形容词1飞快的、极快的、疾速的多用于 speed、pace 前The car sped down the narrow road at breakneck speed.那辆车以飞快的速度冲下狭窄的道路。2险峻的、危险的They climbed the breakneck trail without any safety gear.他们没有任何安全装备就爬上那条险峻的山径。用这个字练口说→