... jiè bèi to take precautions; to guard against (emergency) 严防 严防 yán fáng to take strict precautions; on your guard 便衣警察 便衣警察 biàn yī jǐng chá plain-clothed policeman ..
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... 1.irritability n. 易怒,过敏性,兴奋性 2.on your guard adj. 警戒(警惕,提防) 3.carp at v. 挑剔 ...
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