什么是 caution?Careful forethought to avoid danger or harm.Close attention or vigilance to minimize risk: The car proceeded over the rickety bridge with caution. Prudence or restraint in action or decision: advised caution in choosing a school. A warning or admonishment, especially to take heed: I received a caution from the doctor about fat in my diet. A cautious action; a precaution: The climbers took the necessary cautions in preparing for the ascent. Informal One that is striking or alarming.To advise to take heed; warn or admonish.