| 动 on guard against; watch out for; vigilant: |
| | 警惕地守卫着大桥 vigilantly guard the bridge |
| | 保持高度警惕 (= 高度的警惕性) maintain sharp vigilance; on high alert |
| | 丧失警惕 drop one's guard; be off one's guard |
| | 你得警惕他的花招。 Be on guard against his tricks. or Watch out for his tricks. |
