with guns blazing idiom (also all guns blazing)
（尤指争吵）火药味十足地，真刀真枪地
If you do something, especially argue, with guns blazing, you do it with a lot of force and energy.
I went into the meeting with guns blazing, determined not to let him win. 我进入会场的时候下定决心真刀真枪跟他争辩，决不让他得逞。