took up arms

• v. 拿起武器(积极参加争论)

took up arms的用法和样例：

例句

1. The British colonies took up arms for independence against the mother country.
   英国殖民地为了捍卫它们的独立，武装起来反对宗主国。
2. They took up arms in defence of their country.
   他们拿起武器保卫祖国。