| 警惕HSK 6 | jǐng tì | to be on the alert; vigilant; alert; on guard; to warn | |
| 警惕性 | jǐng tì xìng | vigilance; alertness | |
| 怵惕 | chù tì | to be alarmed; to be apprehensive | |
| 惕然 | tì rán | to be afraid, fearful of | |
| 朝乾夕惕 | zhāo qián xī tì | cautious and diligent all day long (idiom) |
| 1 | Please be vigilant at all times. | |
| 2 | We need to remain vigilant at all times. | |
| 3 | Soldiers should always remain highly vigilant. | |
| 4 | He kept alert all the time to prevent attacks. | |
| 5 | Vigilance is the key to preventing fraudulent activities. |