| 单词 | nightmare |
| 释义 | nightmare n. 1. a frightening or unpleasant dream. 2. colloq. a terrifying or very unpleasant experience or situation. 3. a haunting or obsessive fear. Derivatives nightmarish adj. nightmarishly adv. Etymology: an evil spirit (incubus) once thought to lie on and suffocate sleepers: OE m{aelig}re incubus |
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