a measure taken in advance to prevent something dangerous, unpleasant, or inconvenient from happening
预防,防备;警惕
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he had taken the precaution of seeking legal advice .他已经做好了寻求法律援助的准备。
(
〈非正式,婉〉 避孕
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we never took precautions .我们从不采取任何避孕措施。
"late 16th cent. (in the sense ‘prudent foresight’): from French