gadget /ˈɡædʒit/ n. [c] 小机械，小器具：neat gadget精巧的工具；a gadget for opening tins开罐头的小器具This gadget isn’t much good.这小机械没什么用处。She has invented a nifty little gadget for undoing stubborn nuts and bolts.她发明了一种灵巧的小工具用来松开紧固的螺母和螺栓。