英语词汇“be upon one's guard”的翻译、意思、用法、释义-英汉汉英双解词典

单词	be upon one's guard
释义	be upon one's guard 警惕；提防；警戒
随便看	labor protection labor-protection cost labor protection facilities labor protection law labor-protection medical care labor protection of trade union labor protection payment labor protection regulation labor psychology labor public interest labor quality labor quantity variance labor quota labor quota management Laborra labor racketeering labor rally labor rate standard labor rate variance labor rating labor ratings labor rdation labor realizes itself in commodities labor reciprocity labor recourse