警戒着
lively attentiveness
同义词: alertness / sharp-sightedness
... Part One 你听不懂的 On the qui vive 很警惕,小心 Night of the lone knives 长刀之夜,残酷的行径 ...
... readiness 准备就绪 on the qui vive 警戒着,时时提防着... alerting 发信号 ...
He's always on the qui vive for a business opportunity.
他始终密切关注商机。