Definition: something that tells or shows you that something bad may happen Level: B1
香烟包装上有一个警告，写着‘烟草严重危害健康’。
There's a ___warning on the cigarette packet that says 'Tobacco seriously damages health'.
炸弹在完全没有警告的情况下落下。
The bombs fell completely without ___warning.
政府今天发布了一个关于日光浴危险的警告。
The government have today issued a ___warning about the dangers of sunbathing.
