forewarn

动词 forewarn:

1. warn in advance or beforehand; give an early warning
   同义词：previse

1. The fishermen were forewarned of the oncoming of the storm.
   渔民预先得到了暴风雨来临的警告。
2. We had been forewarned of the risk of fire/that fire could break out.
   已经事先警告过我们有发生火灾的危险。

fore.warn

v.tr.（及物动词）
fore.warned,fore.warn.ing,fore.warns
To warn in advance.See Synonyms at warn
预先警告参见 warn