- 释义：
- n. 警告；预告，预兆
- 例句：
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Experts regarded it as a warning signal of an economic smashup.
专家们把它看作是一场经济灾难的警告信号.
换一句
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He realized that his doctor was warning him off drink.
他意识到医生在告诫他戒酒.
换一句
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He preceded his speech with a warning against inattention.
他在开始讲演前告诫大家不得心不在焉.
换一句