To be cautious of potential future dangers by observing early signs; to take precautions based on initial indications.
看到市场上的细微变化，他有了履霜之戒，及时调整了经营方向。
Observing the subtle changes in the market, he took the warning from treading on frost and adjusted his business direction in time.
Era:
Early Modern
Frequency:
Next Idiom