搭配 “live wire” 的字面意思是 “通电的电线”，实际可以用来比喻 “精力充沛、活力四射的人”。

例句

My son is a real live wire – he never sits down!

我儿子精力特别充沛，从来都坐不住！

She's a live wire – I wish I had her energy to do all the things she does.

她这个人活力四射，真希望我能有她做事的精力。

You're a live wire – where do you get your energy from?

你总是活力十足，你哪来的那么多精力？