4.a nifty bit of sleight of hand got the ashtray into the correct position.
一记漂亮手法把烟灰缸放到了正确位置。
5.She has invented a nifty little gadget for undoing stubborn nuts and bolts.
她发明了一种灵巧小工具用来松开紧固螺母和螺栓。
6.Ferrari responded in the only way they could, bringing Schumacher in on the next lap - with some nifty pitwork allowing him to emerge just ahead of Alonso.
7.A great tester shows up in a developer's office on a regular basis with a big grin eager to show off the latest nifty keen horridly awful bug that the tester found in the developer's code.