late 14c., headling, also headlings, "headfirst (downward); headlong (forward); without thinking, hastily," from hed "head" (see head (n.)) + adverbial suffix -ling. Altered by c. 1400 to conform with sidelong, etc. Its true companions are now mostly obsolete: darkling, backling, flatling, etc.
权威例句
1. She missed her footing and fell headlong down the stairs.
她一脚踩空,头朝下摔下了楼梯。
2. The country, they say, will inevitably now plunge headlong into decadence.
他们说,现在整个国家会不可避免地一头陷入衰退中。
3. The army was in headlong flight.
部队当时正仓皇奔逃。
4. She fell headlong into the icy pool.
她倒栽葱掉进了冰冷的水池中。
5. The little boy fell headlong down the flight of stairs.