I have never ever heard of this sound, never ever after.

我以前从未听过这种声音，自此之后也没有再听过。

youdao

He suggested that Western critics had never known real hunger, and wondered if they had ever watched their children go hungry.

VOA: special.2009.09.22

Would anybody volunteer to say a sentence, non obscene, non derogatory, that has never been spoken before on earth, ever?

有没有人自愿说个句子,不能是下流的,不敬的,得是世上从未有人说过的句子

耶鲁公开课 - 心理学导论课程节选

And I never got the tent, but it is one of my strongest memories ever related to a toy.

虽然最终我还是没得到帐篷，但是这是让我印象最深刻的关于玩具的回忆。

FAO Schwarz的回忆 - SpeakingMax英语口语达人

"I've never had to stop a show, never dreamed I'd ever have to, " he wrote.

BBC: Neyo at 2009 BET Awards - Show

He added that he had "never, ever offered anybody anything", in terms of honours, and had "never" been involved in the process of deciding recipients.

BBC: Levy 'not bitter' towards Blair

Never ever, ever talk to reporters without giving yourself time to prepare your message.

FORBES: Creating And Conveying Your Media Message -Media Training