He was seen limping and kicking the wall in the warm-up room and grimacing on the track before the hurdlers even lined up for the final heat of first-round qualifying.

• 人们看到刘翔在第一次110米栏资格赛开始前，就在热身区跛着脚，用脚踢墙，并在赛道上表现出极其痛苦的表情。