bladed weapons

handling a task with great skill and ease (originally referring to a butcher's cleaver)

the sharp cutting edge of a knife or tool

to be solved easily or handled smoothly (of a problem or difficulty) once the crux of the matter is dealt with

double-edged sword (literally and figuratively)

lit. no blood on the blades; to win a victory without a fight or without bloodshed

naked sword

hand-to-hand fighting

the sharp edge of a blade or cutting tool

to edge or sharpen a knife, scissors, sword, etc.

double-edged blade

the edge of a blade being turned or bent over

to kill with one's own hand

a proper noun referring to a specific group, organization, or title, literally meaning the blade of liberty.