打印机突然坏了，肯定是那些讨厌的小妖精在捣鬼。

The printer suddenly stopped working—must be those pesky ___gremlins at it again.

这台打印机总是卡纸，里面肯定有个捣蛋鬼。

The printer keeps jamming - there must be a ___gremlin in it.