Your talent is not bad, but your swordsmanship is too superficial and not stable enough. This is your biggest problem. I teach you this trick just to solve your swordsmanship problem. If the sword technique is frivolous, it will fail to hit the target. If the sword technique is frivolous, it is because the hand is not steady enough, and if the hand is not steady enough, it is because the lower body is not solid. That's why I taught you that trick....