A muffled sound of voices floated up from the far end of the graveyard.

一阵低沉的说话声从墓地飘了过来。

youdao

The church clocks strike with a muffled sound.

教堂的钟敲出低沉的响声。

《新英汉大辞典》

Your voice, my friend, wanders in my heart, like the muffled sound.

我的朋友，你的语声飘荡在我的心里。

youdao

Now, in this warren of rooms, except for the muffled sound of the crowd above, the only sound was the whooshing of an underground stream, redirected here from Roman times for irrigation and cleaning.

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Performers wore wireless microphones, not hidden inside their costumes, where the sound would be muffled, but outside, in full view, as close as possible to their mouths.

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The fire crackles like a straw broom on cobblestones, but the only sound from Henry is the muffled slap of his coat sleeves.

NPR: Excerpt: 'Woodsburner'