werewolf
/ˈwɪəwʊlf/noun
(pl. -wolves /-wʊlvz/)
- (in myth or fiction) a person who changes for periods of time into a wolf, typically when there is a full moon（神话或故事中）（尤指月圆时）变成狼的人, 狼人。
词源
late Old English werewulf; the first element has usually been identified with Old English wer 'man'. In modern use the word has been revived through folklore studies.