live wire

英 [lɪv ˈwaɪə(r)]

美 [lɪv ˈwaɪər]

n. 精力充沛之人; 生龙活虎之人

柯林斯词典

精力充沛之人；生龙活虎之人
If you describe someone as alive wire, you mean that they are lively and energetic.

noun

She's a live wire.
她既活泼而又精力充沛。
The Application of the Live-wire Cleaning to the Telecommunication Equipments
带电清洗在电讯设备中的应用
Danger! Electricity!; Danger! Live wire!
小心触电！
Your brother is certainly a live wire, isn't he?
你弟弟的确是个活跃的人，不是吗？
Cut back the cover of the neutral and live wire about one Inch
将带电和不带电的电线头上的包皮割去约一英寸
In this paper, an algorithm based on the combination of the live wire algorithm and the active contour model is proposed for the semiautomatic segmentation of medical image series.
介绍了一种结合livewire算法和活动轮廓模型的医学图像序列的分割方法。
Two live wire contacting points on the sliding plate are in flat form, which reduces resistance force when the bulb is screwed, and the bulb is uneasy to be damaged.
滑动板上的两个火线触点为平面形的，使拧装灯泡时阻力小不易损坏；
Tommy's a real live wire, so we had difficulty in keeping him quiet when we took him to a concert.
汤姆实在是太好动了，所以我们带他去听音乐会时要让他安静下来是很难的。
Wendy is the real live wire of the department who motivates all the others.
温迪是这个部门的活跃分子，对其他人很有激发力。
That is a live wire.
那是一根带电的电线。