警戒 jǐng jiè 🔊 to warn + Review this word Meanings jǐng jiè to warnto alertto be on the alertto stand guardsentinel Its characters 警jǐngto alert戒jièto guard againstHSK 7–9 Words with 警戒 警戒线 jǐng jiè xiàn police cordon 以示警戒 yǐ shì jǐng jiè to serve as a warning (idiom)