警觉 jǐngjué alert Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: alert All meanings 2 jǐngjué 2 alert 1vigilance 1 1 sentence for 警觉 (jǐngjué — alert) 他察觉到身后的脚步声,立刻警觉起来。 tā chájué dào shēnhòu de jiǎobùshēng, lìkè jǐngjué qilai. He became alert as soon as he noticed footsteps behind him. Source: Dong Chinese Dictionary