In a voice cracking with emotion, he told us of his son's death.

他悲恸失声地告诉我们他儿子去世的消息。

《牛津词典》

There was that one awkward moment near the end where Rubio, his voice cracking and his throat dry, quickly reached for a bottle of water.

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He speaks with quiet assurance, but you can tell his voice is one degree away from cracking.

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