Question

We will not attact unless we are attacked if attacded

Answer 1

你给的句子好象有问题,改成下面这样可能好些：

We will not attact unless we are attacked.

“unless”表示条件,它的意思是“除非,如果不”,把它放入原文：除非（先）受到攻击,否则我们不会（主动）攻击.

而如果把“unless”换成“if”,句子意思正好反过来了.