1. She approached the negotiation with caginess, carefully guarding her true intentions.
她以谨慎的态度进行谈判，小心保护自己的真实意图。

2. The detective admired the suspect's caginess, as he had managed to evade capture for so long.
侦探赞赏嫌疑人的狡猾，因为他设法长时间逃脱了追捕。