To learn from the mistakes or failures of others and be cautious to avoid encountering similar problems or falling into the same traps.
在处理这项复杂任务时，我们一定要吸取前人失脚的教训，步步为营，确保项目顺利进行。
When dealing with this complex task, we must learn from the mistakes of those who came before us, proceed cautiously step by step, and ensure the project's smooth progress.
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