vigilant
01
警惕的, 警觉的
cautious and attentive of one's surrounding, especially to detect and respond to potential dangers or problems
例子
The security guard remained vigilant throughout the night, monitoring the premises for any suspicious activity.
保安整夜保持警惕，监视场所内任何可疑活动。
It 's important to stay vigilant while driving, especially in adverse weather conditions.
在驾驶时保持警惕很重要，尤其是在恶劣的天气条件下。
词汇树
unvigilant
vigilantly
vigilant
vigil
