live wire

音标发音

And raptors can easily brush against a live wire while settling onto a (grounded) pole-top.
猛禽在停留在（接地的）电线杆顶部时，能够轻易地拂到通电的线路上。
He had to act. When Hensley hauled the chair away, Jack grabbed the live wire above him and shoved the still-sparking tip against Hensley's left arm.
当汉斯莱拖走椅子时，杰克抓住头上还在冒着火花的电线，猛地戳向他的左臂。
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 Live Text 中或者通过侧边栏访问的独立 widget，可以选择 Wire as an action or Display as a sidebar panel 选项。

During a four-hour interview at his home, Mattis--a restless, intense live wire of a man--doesn't sit down even once (nor does he offer his visitor a chair).
FORBES: Red Eye
In contrast to the barbed-wire and concrete barriers behind which the Americans live in Baghdad, their Kurdish allies are strikingly lax back home.
ECONOMIST: Iraq and the Kurds
At one point, he came upon a five-strand run of barbed wire healed into the bodies of live oaks, and he slowed, took a breath, and stopped the car.
NEWYORKER: Idols

If you describe someone as a live wire, you mean that they are lively and energetic.