英语词汇“have/keep one's guard up”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	have/keep one's guard up
释义	have/keep one's guard up idiom : to be careful and alert He always has/keeps his guard up during negotiations.
随便看	craniographer craniological craniologically craniologies craniologist craniologists craniology craniometers craniometric point craniometries craniometrist craniometrists craniometry craniosacral craniosacral therapy cranioscopists craniosynostoses craniosynostosis Craniota craniotomies craniotomy craniotopography cranium craniums crank

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have/keep one's guard up