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。