保持警惕 bǎo chí jǐng xī

DEFINITIONS

  1. to remain vigilant; to stay alert

CHARACTERS

保 bǎo
HSK 4
protect, safeguard, defend, care
持 chí
HSK 4
sustain, support; hold, grasp
警 jǐng
HSK 4
guard, watch; alert, alarm
惕 xī
HSK 6
be cautious, careful, alert