Liu performed terribly in the 2008 Olympics, allowing 5 walks, 4 hits and a hit batsmen in 2 1/3 IP. He threw two wild pitches and made an error in his only fielding chance. Both of his wild pitches scored runners and he issued at least one bases-loaded walk. He went 0-1 with a 15.45 ERA.
Liu was China's worst hurler in the 2009 World Baseball Classic, allowing 5 runs on 3 hits, 2 walks and a hit batsmen in 1 1/3 IP.