The police are concerned for the safety of the 12-year-old boy who has been missing for three days.

那个12岁的男孩失踪三天了，警方对他的安全感到担忧。

《牛津词典》

The boy has been missing for five days and his parents are worried about his safety.

这个男孩失踪五天了，他的父母非常担心他的安全。

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In his best, most famous movie, the magnificent Safety Last (1923), he plays an accident-prone small-town boy in New York.

他的作品中最最出名的当属1923年出演的《安全至上》。 在剧中他扮演了纽约市一座小镇上一位易惹事故的男孩。

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Royal Navy Wrens Hayley Smith and Amy Stubbs helped carry the boy to safety.

BBC: Wrens praised for fire baby rescue

Jambo stood protectively over him, and stopped other animals coming close until keepers were able to move the injured boy to safety.

BBC: Jambo the gorilla commemorated on Jersey stamps

The coroner for Wiltshire and Swindon is to ask accident prevention charity Rospa to highlight the need for brake safety on bicycles after a boy's death.

BBC: Kadian Harding