sighn.叹气；叹息v.叹息；惋惜sigh at an accident为一桩灾祸而叹息sighing respiration[医] 叹息式呼吸sigh for one's home怀念家乡sighs over politics寄慨政治sigh over something为某事而悲叹Sigh out one's grief鞘小皮sigh away one's days叹息着过日子sigh for the country怀念祖国sigh over an accident为一桩灾祸而叹息sigh over the failure为失败叹息