A sprain is an injury to a ligament caused by excessive stretching.

　　扭傷是由于過度拉伸而引起的韌帶受傷。

　　Ferguson said: "[There is] no bone damage or serious ligament damage.

　　弗格森說：“魯尼的骨頭并沒有斷裂，韌帶也沒有很嚴重的拉傷。

　　Van Persie, however, did miss five months of last season with an ankle ligament injury.

　　不過因為腳踝韌帶撕裂，范佩西在賽季中曾缺席5個月之久。

　　Standing causes sudden stretching and pulling of this ligament, and this can start the pain cascade.

　　站立會導致突發性的韌帶拉伸，這種拉伸時疼痛加劇。