If symptoms persist and worsen, or if they arise after a sudden injury, treatment may be necessary.

如果症状持续或加重，或因突然的外伤而出现，就需要积极治疗。

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Chinese sprinter Liu Xiang has apologized to his fans and his country after his sudden withdrawal in the 110 meter hurdles due to injury.

中国短跑运动员刘翔因受伤突然退出110米跨栏比赛后，向他的体育迷和全国人民道歉。

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The sudden onset of back pain following an injury is suspicious for a fracture.

在外伤后突然出现背部疼痛要怀疑骨折。

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So we cut a break for any normally productive player who suffered a sudden injury this season.

FORBES

For those not cognizant that there was roughly a year until the start of the 2014 Winter Olympics in Sochi, Russia, a sudden injury to American World Cup alpine ski racer Lindsey Vonn served as an immediate reminder that the Sochi Games are quickly approaching.

FORBES: Sochi Winter Olympics: The State Of The USOC One Year From 2014 Games

Whiplash is characterised by the NHS as a neck injury caused by a sudden movement of the head forwards, backwards or sideways.

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