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。