No one will believe those promises because they know that later it will not be in your interest to deliver those promises.

没人会相信那些承诺，因为他们了解，以后履行这些承诺不会符合你的利益。

youdao

Fear of feeling that no one will believe them.

害怕没有人会相信她们。

youdao

No one will believe you because you always tell lies.

因为你老是说谎，没有人会相信你的话的。

youdao

(RECORDING) Erekat said President Abbas will tell Mitchell that if the United States does not succeed in convincing Israel to stop the settlement expansion, it will - in Erekat's words mean that no one in the Arab world will believe that Mr.Obama can ultimately convince Israel to end its occupation of the West Bank.

VOA: standard.2009.09.14

They can pretty much pack it up and go home, because everyone's going to think they're ridiculous, no one will believe what they say, and it's a stupid idea anyway, is basically the gist of this conversation.

他们就可以打包回家了，因为每个人都会认为他们很荒谬，没有人会相信他们的说法，这是个很愚蠢的想法，这就是他们当时谈话的大概意思。

麻省理工公开课 - 化学原理课程节选

Even owner Hal Steinbrenner said the other day he's hoping for a rebound from Hughes but no one will believe it until they see it against live competition, as Girardi stressed.

WSJ: Hope Springs Eternal for Hughes's Fastball

If Greece wants to give anything of real value to its bondholders, then it has to offer bonds issued under English law, because no one will believe its promises to pay, otherwise.

FORBES: The International Economics of the City of London

In a couple of years, no-one will believe documents and email are the best format for the future of work, content or collaboration, and those who hang on will be left behind.

FORBES: Is Your Job Still Playing on CDs?