He betrayed himself without meaning to.

他无意中露出了马脚。

《新英汉大辞典》

Without meaning, life has no significance or hope.

没有意义，人生就无关紧要，毫无希望。

youdao

Asking patients "Do you ever fall asleep without meaning to?"

询问病人“你是否在没有打算睡觉的时候而睡着了？”

youdao

Jump$tart's Executive Director Laura Levine says many young people misuse credit cards without meaning to.

VOA: special.2009.04.10

in which we suddenly find ourselves, without meaning to and without being simply victims of any sort of cultural tyranny, standing in front of something, clasping our hands, tilting our head and feeling somehow or another different from the way we feel when we typically look at things.

我们会突然发现，自己毫无理由地,不受任何外在因素控制地，站在一样东西面前，拼命地鼓掌，歪着头品味，感觉到此时此刻的感受,与平时不同。

耶鲁公开课 - 文学理论导论课程节选

iterature cannot merely be received as a definite unit of referential meaning that can be decoded without leaving a residue.

文学不能仅仅以一个确切的参考性意思的单位来理解,这种参考性意思的单位在破解时不会留下任何残余。

耶鲁公开课 - 文学理论导论课程节选

And the experts said examiners might have allowed "grade inflation" to happen without meaning to.

BBC: A-level row upsets students

It was difficult to see anything, but it was good to walk alone, to think without meaning, or to do the opposite to stop thinking altogether and just droop.

NEWYORKER: Among Animals and Plants

Was I (without meaning to) going to annoy well-meaning executives who spend much of their careers mentoring, influencing and driving change in organizations without labeling their work as CSR?

FORBES: Readers Respond: Why Don't Executives "Get" CSR?