Complex sentence: Liu Jian started his football career with Qingdao Jonoon in the 2004 season, making his debut for the club on 19 September 2004 in a 1-1 draw against Sichuan Guancheng.
Split into simpler sentences: Liu Jian started his football career with Qingdao Jonoon in the 2004 season. He made his debut for the club on 19 September 2004 in a 1-1 draw against Sichuan Guancheng.