forewarning

"forewarning" 的音标为 [ˌfɔːrwɪˈɑːrɪŋ] ，意思是预先警告。

速记技巧：可以使用缩写形式 "fw" 来快速记忆这个单词。

希望以上信息对您有帮助。建议阅读相关单词的音标和定义，以加深理解。

Forewarning这个词的词源可以追溯到古英语，它来自于“for”和“warning”两个词。它的意思是预先警告或提醒。

Forewarning的变化形式主要有复数形式“forewarnings”和过去式、过去分词形式“forewarned”。

相关单词有：warn, forewarn, warn off, warning, forewarning, beware, warned, warily, warnish。

这些单词在语义上与forewarning有紧密的联系，其中warn表示警告，forewarn表示预先警告，warning表示警告信号，这些词都可以在forewarning的基础上进行派生和扩展。例如，beware就是提醒注意，而warily则表示警惕地。这些单词在英语中都扮演着重要的角色，提醒人们注意潜在的危险和风险。

常用短语：

1. in advance

2. take precautions

3. be on guard

4. be forewarned

5. be prepared

6. be alert

7. be vigilant

例句：

1. We must take precautions against the enemy"s attack.

我们必须采取预防措施以防止敌人的攻击。

2. I always remind myself to be forewarned, so as to be better prepared for any situation.

我总是提醒自己要预先警告，以便更好地应对任何情况。

3. Be alert for any signs of danger and take appropriate action.

要警惕任何危险的迹象并采取适当的行动。

英文小作文：

Precaution is key to safety. Whether we are at home or on the road, we must always be vigilant and take appropriate measures to ensure our safety. For example, we should always lock our homes when we are away and use safety features such as car alarms and helmets when riding a bike or motorcycle. By being forewarned and being alert, we can avoid many accidents and protect ourselves from harm. Therefore, it is essential to always be prepared and take the necessary precautions to ensure our safety.