It was something I'd let out in an unguarded moment.

那是我一不留神说漏了嘴的话。

《牛津词典》

The photographers managed to capture Jane in an unguarded moment.

摄影师们成功地抓拍到了简不设防的瞬间。

《柯林斯英汉双解大词典》

In an unguarded moment he gave away the secret.

他一时没留神泄漏了秘密。

youdao

Dietrich Fey will not guarantee that he has never done any overpainting in an unguarded moment.

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Enter the paparazzi photo, which gives us the candour of an unguarded moment: our world-famous posers before they have time to pose.

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She's no novice, but there's a long road of difference between getting snagged in an unguarded moment and standing at a podium or sitting for an interview.

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