Counting the famous athletes who withdrew from the Olympic Games due to injuries in history, Liu Xiang is not a novel case.

Liu Xiang withdrew from the 110-meter hurdle race at the Olympics today due to injury, shocking the entire audience and causing an uproar. There was regret, disappointment, pain, as well as confusion and questions.

In fact, on the sports field, there are countless cases of Olympic stars withdrawing from competitions due to injuries, which is not a novel occurrence. Without mentioning previous editions of the Olympics, just taking the Beijing Olympics as an example, many renowned athletes have had to bid farewell to the Olympic arena due to injuries, shedding tears of helplessness and leaving behind endless regrets.

In May, during the "Good Luck Beijing" 2008 Chinese Athletics Open held at the National Stadium, it was revealed by the Shandong Provincial Sports Bureau's Track and Field Management Center that Xing Huina, the women's 10,000-meter champion at the Athens Olympics, had returned to Jinan for treatment, confirmed her withdrawal from the competition, and would not participate in the Beijing Olympics.

On July 21, Australian racewalking world champion Jared Dix announced his withdrawal from the Beijing Olympics due to leg injuries.

On July 22, French tennis star Mary Pierce announced that due to unresolved knee injuries, she would withdraw from the French tennis team heading to the Beijing Olympics.

On July 24, European women's 100-meter hurdles champion and Swedish hurdling star Susanna Kallur announced her withdrawal from the track and field events at the Beijing Olympics due to injury.

On July 29, Paul Hamm, the men's all-around gymnastics champion at the Athens Olympics, announced his withdrawal from the U.S. gymnastics Olympic lineup due to injury, making him unable to participate in the Beijing Olympics.

On July 31, Cadel Evans, the second-place finisher in the 2008 Tour de France and Australian cycling star, announced his withdrawal from the road cycling time trial at the Beijing Olympics due to knee injuries.

On August 4, Sweden, China's first and strongest opponent in the women's football preliminary group stage, announced that their top star and leading scorer, Hedvig Lindberg, would be forced to withdraw from this edition of the Olympics due to serious injuries.

On August 9, Ivan Ljubicic, formerly ranked third in the world, announced his withdrawal from the Beijing Olympics tennis competition due to injury.

On August 10, Serbian player Ana Ivanovic held a press conference in Beijing to announce her withdrawal from the Beijing Olympics tennis competition due to injury.

On August 13, Mizuki Noguchi, the gold medalist in the women's marathon at the 2004 Athens Olympics and Japanese star, withdrew from the competition due to an injury sustained during training in her left leg, preventing her from completing her training.

Additionally, Haile Gebrselassie, the Ethiopian 10,000-meter king and Olympic legend, indicated that he would withdraw from the Olympics due to injury; similarly, Trammell, a notable figure in the 110-meter hurdles alongside Liu Xiang, also withdrew from the competition today due to injury...

Injuries cannot be controlled by athletes, and aside from withdrawing from competitions, they have no other choice due to injuries. Therefore, Liu Xiang's withdrawal was unexpected, but from the perspective of the entire Olympics, it was not a surprising event and did not warrant excessive astonishment.