I took some extra cash just to be on the safe side.

我多带了一些现金，以防万一。

《牛津词典》

You might still want to go for an X-ray, however, just to be on the safe side.

但你也许还想去拍张X光片，为保险起见。

《柯林斯英汉双解大词典》

To be on the safe side, the researchers suggest that we should use computers less than before, or turn down our screens as much as possible before sleeping.

安全起见，研究人员建议，我们应该比以前更少使用电脑，或者在睡觉前尽可能地把屏幕亮度调低。

youdao

But,to be on the safe side, he also places a smaller bet on the other team, to reduce a possible loss.

VOA: special.2010.01.31

Ought investors to discount those numbers by maybe 5% just to be on the safe side?

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If your faker number runs under 20%, you tend to be on the safe side.

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But just to be on the safe side, we never begin the program before nine.

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