Extreme caution should be exercised when buying used tyres.
買二手輪胎時一定要極其謹慎。
There was a note of caution for the treasury in the figures.
這些數據向財政部亮出了一個警告。
I should not be in any danger here, but experience has taught me caution.
我在這里應該沒有任何危險，但閱歷已教會我謹慎。