how to take a word from the adobe PDF?

1st, copy the xdict32-professional.api 
    from c:\programfiles\kingsoft\powerword_cut\addins
    to c:\Program Files\Adobe\Reader 10.0\Reader\plug_ins
2nd, close the protect mode of adobe reader,  edit-->preference

how to take a word from the adobe PDF_休闲

then it will work well.