cautionary

1. ADJ A cautionary story or a cautionary note to a story is one that is intended to give a warning to people. 警告的; 告誡的

Barely fifteen months later, it has become a cautionary tale of the pitfalls of international mergers and acquisitions. 15個月剛過，這便成了一個有關國際竝購陷阱的警世故事。