英语词汇be upon one's guard怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	be upon one's guard
释义	be upon one's guard 警惕，提防；警戒
随便看	Lord of Misrule lord of seat lord of the bedchamber lord-of-the-files lord of the harvest lord of the manor lord of the soil Lord Ordinary lordoses lordosis lordotic Lord President Lord President of the Council Lord Privy Seal lord privy seals lord proprietor Lord Protector lord protector of the commonwealth Lord Provost Lord's lords-and-ladies lords-and-ladiess Lords Commissioners lordship Lordships

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。