Remove bad words from my video



Hi, I am very new to this subject , I have few videos that I wanted to remove some voices ( cut the bad words) from the video , can you pls tell me what to do ?
I just want to remove or play some sound when a bad word here…

Hope you understand what I want , pls help me


are the videos (home videos) or origional movies? I have use a DVD player with TVGaurdian with good luck


those are home video’s not in english.