To make the ultimate sacrifice for a noble cause; to lay down one's life for the greater good.
当灾难降临，他怀揣着舍身为众的信念，奋不顾身地投入到救援之中，感动了在场的所有人。
When disaster struck, he, driven by the belief of sacrificing himself for the common good, fearlessly threw himself into the rescue efforts, moving everyone present.
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