gremlin

n imaginary mischievious creature supposed to cause mechanical or other failure （好捣乱的）小精灵（据信可使机械或其他东西失灵）: The gremlins have got into the computer again. 捣乱的小精灵又钻进计算机里了.

greenfinch, greenfly, greengage, greengrocer, greenhorn, greenhouse, greenish, greenness, Greenwich, Greenwich Mean Time, greenwood, greet, greeting, greetings, gregarious, gregariously, gregariousness, Gregorian, Gregorian calendar, Gregorian chant, grenade, grenadier, Grenoble, grep, grew, grey, grey (also esp US gray), grey area, grey matter, grey-headed, greybeard, greyhound, greyish, greyish (also esp US grayish), grid, griddle, gridiron, grief, grief-stricken, grievance,