She used her most seductive voice.

她运用了自己最有魅力的嗓音。

《牛津词典》

I should indeed be foolish to feel offended at anything you say or do,' he answered, in the seductive voice of the Trantridge time.

“我要是因为你说什么话、做什么事就生气，那我就真是太傻了，”他回答说，用的是他在特兰里奇用过的诱惑口气。

youdao

There's this seductive sensuousness to the voice.

NPR: Luciano Pavarotti Succumbs to Cancer at 71

The attractive German soprano has a rich, almost venomous voice and a gimlet eye, conveying both the demonic and seductive sides of her character.

NEWYORKER: Classical Music