单词 | on guard |
释义 | on guardphrase See full dictionary entry for guardIf someone is on guard, they are on duty and responsible for guarding a particular place or person. Police were on guard at Barnet town hall. Examples of 'on guard' in a sentence |
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英语词典包含298861条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。