They may be wise to err on the side of caution.

他们宁可失之过于谨慎也不冒风险也许是明智的。

But I must err on the side of caution, so our.

但是，即使我犯错误的话，那也是出于谨慎的考虑。

When in doubt you can err on the side of caution.

有疑问时，您可以对错误的一边谨慎行事。

The bank's rate-setters decided to err on the side of caution, however.

然而，尽管如此，英格兰银行的利率制定者还是决定稳妥行事。

I decided to err on the side of caution and spend less than my full allowance.

我决定慎之又慎，不把我的全部津贴花掉。