A gurgling or rattling sound sometimes made in the throat of a dying person, caused by loss of the cough reflex and passage of the breath through accumulating mucus.

临终时的喉鸣：指临死的人喉咙里有时发出咯咯嘎嘎的声音，是由于丧失了咳嗽的自动反应，气流通过聚积的粘液而产生的。

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Breathing difficulties include shortness of breath, coughing, rattling and wheezing, normally as a result of the narrowing of the bronchiole tubes.

包括呼吸困难，呼吸急促，咳嗽，剧烈震动和喘息，通常是由于缩小的细支气管管。

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We watched the V1s, the 'doodlebugs', rattling across the skies every day and we held our breath in terror, as the unmistakable quite suddenly stopped, and if, instead of dropping straightaway as they often did, they flew silently on.

BBC: Stanley Ross remembers the Blitz