To be highly vigilant and wary, especially when sensing potential danger or harm from others, and thus taking extra precautions.
面对不怀好意的合作邀请，他深知其中风险，如同“鸥鸟不下”，始终保持警惕。
Faced with ill-intentioned cooperation invitations, he was well aware of the risks, maintaining constant vigilance as if "seagulls do not descend."
Era:
Ancient
Frequency:
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