谁可以帮我用英语翻译下？

We learned before the Olympic Games Liu Xiang injured his leg, but he still insists on training to prepare for the Olympics, however, before the race we were surprised to see Liu Xiang, left with regret. We believe that if given more time, Liu Xiang, will return to the track

We prior to learn Liu Xiang from Olympiad right away having hurt leg , he still persists in having left regretfully but. We believe in, if giving more time , Liu Xiang is bound to return to surpassing field