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

Your brother is certainly a live wire, isn't he?
你弟弟的确是个活跃的人，不是吗？
Detector for the Reinforcing Steel Bar, Metal Water Pipe and Live Wire in the Wall
墙体中钢筋、金属水管、电线探测器
She got shocked when she touched the live wire.
她在触到通电的电线时受到电击。
By god, he's a live wire.
天啊，他可是个碰不得的人。
The Application of the Live-wire Cleaning to the Telecommunication Equipments
带电清洗在电讯设备中的应用
It's dangerous to touch a live wire.
触摸带电的电线是最危险的。
That is a live wire.
那是一根带电的电线。
This week a man was admitted to hospital in northern England after being electrocuted cutting through a live wire carrying 11,000 volts trying to steal the copper it contained.
上周，英格兰北部一名男子为了窃取电线中的铜，试图切断一条1.1万伏的高压电线，因此触电住进了医院。
The lineman was severely burned by the live wire.
电线架设工人被通电的电线严重烧伤。
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。