His voice died away in a whisper.

他的声音渐渐放低成了耳语。

《柯林斯英汉双解大词典》

"It is of no use; I cannot learn." he said in a whisper to a companion who sat near him.

“这没有用；我学不会。”他低声对坐在他旁边的同伴说。

youdao

Anne said at last, almost in a whisper, "Diana, do you think you can like me a little—enough to be my bosom friend?"

最后，安妮几乎是用耳语说：“黛安娜，你认为你能稍微喜欢我一点——足以做我的知心朋友吗？”

youdao

These are dimensions of communication that I've been identifying in "Mowing" with the whisper of the scythe, that is, a tone of meaning or a way of meaning.

这是谈话的特点,这个是我在“割草“中提到的“,镰刀的低语，这就是，一种语调蕴含的意思或者是一种方式的意义。

耶鲁公开课 - 现代诗歌课程节选

Viana was saying something, not in a whisper now, but as if muttering to himself.

NEWYORKER: While the Women Are Sleeping

Because of that dead butterfly history changed, in a whisper or a roar, all down the aeons of time.

ECONOMIST: Ray Bradbury

At such times, it doesn't help that he speaks in a whisper and as if emotion would cheapen the content.

CNN: Campaign diary of Steve Lopez: Bradley's soft sell