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

If you touch a live wire you will get a shock.
如果你摸带电的电线，就会触电。
You can select the Wire as an action or Display as a sidebar panel option if you want to configure it as a stand-alone widget integrated with Live Text or accessible through the sidebar.
如果希望设置为集成到LiveText中或者通过侧边栏访问的独立widget，可以选择WireasanactionorDisplayasasidebarpanel选项。
By god, he's a live wire.
天啊，他可是个碰不得的人。
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
Danger! Electricity!; Danger! Live wire!
小心触电！
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
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 Application of the Live-wire Cleaning to the Telecommunication Equipments
带电清洗在电讯设备中的应用
She's a live wire.
她既活泼而又精力充沛。
That is a live wire.
那是一根带电的电线。