There are three simple rules for making a smooth landing. Unfortunately no one knows what they are.

要做出好的降落有三个原则，但不幸地，没人知道是哪三个…

youdao

Unfortunately, no one took my opinion seriously.

不幸的是，没有人严肃地看待我的意见。

《柯林斯英汉双解大词典》

Unfortunately, no results were returned.

不幸的是，没有结果返回。

youdao

Unfortunately no one seems to understand that, and we continue to chase blindly after failed economic models.

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Unfortunately no uniform studies on infidelity by city exist, so we were unable to consider rates of cheating, an age-old cause of relationship breakdown.

FORBES: Magazine Article

Unfortunately no one is endowed with an unlimited supply of energy.

FORBES: An Ancient Rule For Coping With Stress