An ancient weapon: the sword. Long sword. Sheath. Fencing. If you are nervous, you will be nervous (describing a tense situation that is explosive, and later referring to vigorous calligraphy). Carve a boat for a sword.
Sword, old sword, fencing, saber-toothed tiger, saber-toothed elephant, gladiolus, sisal, knife-shaped eyebrows, swordsman, park sword, sword.
The ancient sword was made of metal, with a long strip, a sharp front end, a short handle at the back end and blades on both sides. Now as a fencing sword, the body of the sword is a slender steel bar with a small ball at the top and no blade.