gremlin

gremlin
noun
  1. (informal)an imaginary mischievous sprite regarded as responsible for an unexplained problem or fault, especially a mechanical or electronic one
    (非正式)(被认为导致出现原因不明的机械或电子等故障或差错的)小妖精
    a gremlin in my computer omitted a line.
    我电脑里的小精灵使文档漏掉了一行。
    ■such a problem or fault
    (原因不明的)故障,差错
语源
  1. 1940s: perhaps suggested by goblin
英语宝典
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