Her name was Michaela, but the men called her filthy things in dulcet, ingratiating voices, and she giggled with childish joy because she understood no English and thought they were flattering her [...].
Joseph Heller. Catch-22, p.417 (1961)
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Since once I sat upon a promontory,
And heard a mermaid on a dolphin’s back
Uttering such dulcet and harmonious breath
That the rude sea grew civil at her song,
William Shakespeare. A Midsummer Night's Dream (1596)
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trying to conceal her morbid inquisitiveness under a mask of dulcet goodwill,