Liu does try hard .She's just finished shooting a kungfu TV series ,Return of the Condor Heroes,based on Jin Yong's novel ."It 's akind of shocking learning experience ,"she said ."It 's shot on mountains in very cold weather .I ride ahorse ,use a sword and even remain hanging in the air on wires for half aday ,"Liu went on ,"this was my first time for this and it left bruises on my body .But I did learn a lot .I chose to be an actress myself ,so I've got to be agood one ,to prove I'm not apret"