headlong
adverb, adjective uk/ˈhed.lɒŋ/ us/ˈhed.lɑːŋ/
[ before noun ]速度很快地；轻率地
with great speed or without thinking
The car skidded and plunged headlong over the cliff. 汽车一打滑，从悬崖上冲了下去。
In the headlong rush to buy houses, many people got into debt. 在一窝蜂的购房热潮中，很多人都负了债。
US（同 head-first）
→ head-first