1. Be careful, that socket has a live wire exposed.
小心，那个插座有裸露的活线。

2. The electrician quickly identified the live wire and shut off the power.
电工迅速识别出了活线并切断了电源。

3. Don't touch that cable, it's a live wire and could give you a shock.
不要触碰那根电缆，那是一根活线，可能会给你电击。

4. The live wire sparked and sputtered as the faulty connection was fixed.
活线在故障的连接被修复时发出火花和啪啪声。

5. Always make sure to turn off the power before working with live wires.
在处理活线之前，一定要确保关闭电源。

6. The live wire was carefully insulated to prevent any accidents.
活线被仔细绝缘，防止任何事故发生。