提醒的名词英文怎么说

Extreme caution should be exercised when buying used tyres.

买二手轮胎时一定要极其谨慎。

There was a note of caution for the treasury in the figures.

这些数据向财政部亮出了一个警告。

I should not be in any danger here, but experience has taught me caution.

我在这里应该没有任何危险，但阅历已教会我谨慎。