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》

"If I hear about another crying schoolboy, I'll come back and execute the lot of you, " he announced, his voice cracking with rage.

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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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