“你确定这筏子安全吗？”她不安地问。“再安全不过了，”马克斯自信地向她保证。

"Are you sure the raft is safe?" she asked anxiously. "Couldn't be safer," Max assured her confidently.

《柯林斯英汉双解大词典》

在英超排名靠前的俱乐部已经不能再保证比他们的对手富裕。

The leading clubs in the Premier League can no longer be sure of the affluence that once overwhelmed opponents.

youdao

他说因为他们听过了太多的假的保证，法国人不会再相信那些政客了。

The French no longer trust their politicians, he argues, because they have heard many false promises.

youdao

So yet once more -- and I promise this will be one of the last times that we look back at Milton's mask - but yet once more, let's look at Comus.

因此我们要再一次--我保证,这将是我们最后一次回顾弥尔顿所写的这出面具戏,不管怎么着，让我们再次回顾《科玛斯》

耶鲁公开课 - 弥尔顿课程节选

Dean apologized but promised he could get back to it and manage it fine, bringing up illustrations.

迪恩道歉但保证他可以重新回到原来的样子,设法弄好它，再搞些插画。

耶鲁公开课 - 1945年后的美国小说课程节选

Again,getting rid of the negative does not guarantee us the positive, which is why already in the 1940s, wrote that most men lead lives of quiet desperation.

再强调一次，摆脱消极,不能保证我们变得积极，因此早在19世纪40年代，认为，大多数人都活在沉默的压抑中。

哈佛公开课 - 幸福课课程节选