The security guard remained vigilant throughout the night.
保安整夜都保持警惕。
Parents must be vigilant about their children's online activities.
父母必须对孩子的在线活动保持警惕。
We need to stay vigilant to prevent any potential threats.
我们需要保持警惕以防止任何潜在威胁。
The lifeguard was vigilant at the crowded beach.
救生员在拥挤的海滩上保持警惕。
Being vigilant can help avoid unnecessary accidents.
保持警惕可以避免不必要的事故。
The soldiers were vigilant during the night watch.
士兵们在夜间警戒时保持警惕。
Stay vigilant when walking alone at night.
晚上独自行走时要保持警惕。
The detective was vigilant in his investigation.
侦探在调查中保持警惕。
It's crucial to be vigilant when handling sensitive data.
处理敏感数据时保持警惕至关重要。
She remained vigilant despite the calm surroundings.
尽管周围环境平静，她仍保持警惕。
stay vigilant 保持警惕
vigilant watch 警戒观察
vigilant eye 警惕的眼睛
vigilant guard 警戒守卫
vigilant stance 警惕的姿态
vigilant monitoring 警惕监控
副词: vigilantly;
名词: vigilance;
