late 14c., in reference to the underworld, from Old French enfernal, infernal (12c.), from Late Latin infernalis "of the lower regions," from infernus "hell" (Ambrose), literally "the lower (world)," noun use of Latin infernus "lower, lying beneath," from infra "below" (see infra-). Meaning "devilish, hateful" is from early 15c. For the name of the place, or things which resemble it, the Italian form inferno has been used in English since 1834, from Dante. Related: Infernally.
实用例句
1. They can't work in these infernal conditions.
他们不能在这样糟糕透顶的条件下工作。来自柯林斯例句
2. Stop that infernal noise!
别那么死命嚷嚷了！来自《权威词典》
3. 'Why , I ain't sich an infernal lubber, after all.
他叫道, “ 说到底, 我也不是傻瓜蛋.来自英汉文学 - 金银岛
4. The post office is shut, which is an infernal bore.
邮局关门了，真是可恶。来自辞典例句
5. It's an infernal mischance; I've done my best to discourage it.
