我觉得是该使用突击战术的时候了.I decided that shock tactics were called for.这时,德国潜艇开始应用被称为 “ 狼群 ” 战术的新方法.The U - boats now began to use new methods, which became known as " wolf - pack " tactics.这是一场新规则 、 新战术的竞争.This is the competition...

“战术的”的英语可以翻译为：tactical ...