i want to gain Subtitles

Either use SubResync in the vobsub package or use SubRip to convert the idx/sub files into text based subs

what to do next? 

i have installed vobsub,when i use subresync open the *.idx file and save as *.srt file,then the window jumped.either i kick skip or extend,it didn'd work.what to do with it?

i attached an image,but it wasn't displayed 

The Image needs to be approved.. but What you need to do is type what character you see in the Red box.. the Semi-OCR process needs your input to know what char's it is seeing.. It will only ask you once for a char then it will know what it is if it recognizes it from there on.