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.

打印机突然停止工作了，一定是那些调皮的小捣蛋鬼在搞鬼。

The printer suddenly stopped working—must be those mischievous ___gremlins causing trouble again.

这台老打印机总是出些奇怪的小毛病，肯定是有捣蛋鬼在作祟。

The old printer keeps acting up with weird little problems—must be those pesky ___gremlins at work again.