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

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。
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。
That is a live wire.
那是一根带电的电线。
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。
She's a live wire.
她既活泼而又精力充沛。
A barrier of felled or live trees with branches ( sharpened or with barbed wire entwined) toward the enemy.
用树枝做成的路障（这些树枝被削尖了，和带电铁丝网混在一起）以对付敌人。
She got shocked when she touched the live wire.
她在触到通电的电线时受到电击。
If you touch a live wire you will get a shock.
如果你摸带电的电线，就会触电。
She seems to have inexhaustible energy.; She's a live wire.
她仿佛有使不完的劲。