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

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。
Danger! Electricity!; Danger! Live wire!
小心触电！
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。
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
That is a live wire.
那是一根带电的电线。
By god, he's a live wire.
天啊，他可是个碰不得的人。
Your brother is certainly a live wire, isn't he?
你弟弟的确是个活跃的人，不是吗？
She's a live wire.
她既活泼而又精力充沛。
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。