Definition
To choose to be overly cautious rather than taking a risk.
寧可過於謹慎，也不要冒險犯錯。
Although we expect only ten guests, I've erred on the side of caution and prepared fifteen meals.
雖然我們預計只有十位客人，但我寧可過於謹慎，準備了十五份餐點。
The weather forecast said it might rain, so we erred on the side of caution and cancelled the picnic.
天氣預報說可能會下雨，所以我們寧可過於謹慎，取消了野餐。
Since we weren't sure if he would attend, I erred on the side of caution and prepared a speech for him.
因為我們不確定他是否會出席，所以我寧可過於謹慎，為他準備了演講稿。