I shall shrink from nothing, for my blood is up.

我会畏缩不前， 因为我的血液已经沸腾了。

'But it's wonderful, ' said Mr. Giles, when he had explained, 'what a man will do, when his blood is up.

“但这太棒了，”吉尔斯先生解释完后说道，“一个人在热血沸腾时会做什么。”