But meantime he came up to Hua and asked in low voice, "Hua, it is said that a prisoner has been executed today." He is the child in a family surnamed Xia.

花白胡子一面说，一面走到康大叔面前，低声下气的问道，“康大叔——听说今天结果的一个犯人，便是夏家的孩子，那是谁的孩子？”

youdao

He spoke in a low, strained voice.

他焦虑地低声说话。

《牛津词典》

He spoke in a low, nervous, conciliating voice.

他以一种低的、焦虑的，抚慰的声音讲话。

《柯林斯英汉双解大词典》

Another morgue attendant, an Indian-looking man some kind of doctor had come to speak in a low voice to the police officers.

NEWYORKER: I.D.

Finally, my eldest brother spoke in a low voice.

NPR: Literature and Lullabies from the 'Axis of Evil'

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