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 got shocked when she touched the live wire.
她在触到通电的电线时受到电击。
It's dangerous to touch a live wire.
触摸带电的电线是最危险的。
However, people can live in many different norms Jiezhuang see crosscutting temporary wiring casually provide connectivity and some have Luzhe copper wire;
但是，人们可以在许多很不规范的家装现场看到，纵横交错的临时电线胡乱搭接，有的还露着铜丝；
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。
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。
By god, he's a live wire.
天啊，他可是个碰不得的人。
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
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。