breakneck

adj [attrib 作定语] dangerously fast 快得危险的: drive, ride, travel, etc at breakneck speed 以非常危险的高速度开车、骑马、行进等.

break off, break one's heart, break one's word, break out, break out into, break sth from sth, break the ice, break through, break to sb., break up, break with sb, break-dancing, break-in, break-out, breakable, breakage, breakaway, breakdown, breaker, breakfast, breakthrough, breakup, breakwater, bream, breast, breast pocket, breast-feed, breast-high, breast-stroke, breastbone (also sternum), breastplate, breastwork, breath, breath test, breath-taking, breathalyse, breathalyser, breathe, breather, breathing,