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

That is a live wire.
那是一根带电的电线。
She's a live wire.
她既活泼而又精力充沛。
She seems to have inexhaustible energy.; She's a live wire.
她仿佛有使不完的劲。
Danger! Electricity!; Danger! Live wire!
小心触电！
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。
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。
If you touch a live wire you will get a shock.
如果你摸带电的电线，就会触电。
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。
She got shocked when she touched the live wire.
她在触到通电的电线时受到电击。
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；