And did she know you'd be the one lighting the fuse?

她知道你就是点燃引线的人吗？

I begged for the honour of lighting the fuse.

我请求有幸点燃导火索。

He started this all off, like someone lighting a fuse on a firework.

他开始了这一切， 就像有人点燃了烟花的导火索。

To be able to detonate the dynamite rods he also invented a detonator (blasting cap) which could be ignited by lighting a fuse.

为了能够引爆炸药棒，他还发明了一种雷管（雷管），可以通过点燃导火索来点燃。