forewarning
🇺🇸
/fɔːrˈwɔːrnɪŋ/
🇬🇧
/fɔːˈwɔːnɪŋ/
A message or sign that tells you something bad or unpleasant is going to happen.
The weather forecast gave us a forewarning of the heavy rain.
天氣預報讓我們提前知道了大雨的來臨。